weld n. 焊接(点),熔接点。 vt. 焊[熔]接;使密切接合,结合。 A welded joint 【机械工程】熔接头。 vi. 被焊接[熔接]。 Welding powder 焊粉。 A welding rod 焊条。 Gas welding 气焊。 Resistance weld 电焊。 A weld-less pipe 无缝管。 n. -er 1.焊工。 2.焊接机。 -ing 焊接 (welding torch 熔焊炬)。 n. 【植物;植物学】淡黄木樨草;(由淡黄木樨草采取的)黄色染料。
cold adj. 1.冷,寒,冻;冰凉的。 2.冷静的,冷淡的,无情的,冷酷的;无趣味的;沉闷的;令人打冷颤的;扫兴的;【美术】有冷感的,冷色的。 3.(谜语)难猜中的 (opp. hot)。 4.(猎物嗅迹)已变淡的。 5.(土壤)黏湿的;(肥料)腐熟缓慢的。 6.〔俚语〕已死亡的。 He has to quit cold. 他不得不完全放弃。 be cold in manner 态度冷淡。 cold as all get out 〔美国〕冷极。 get [have] sb. cold 〔口语〕任意摆布(某人)。 give [show] the cold shoulder to 冷待,对…冷淡。 have cold feet 〔军俚〕意气沮丧,吓破了胆子。 in cold blood 无动于衷地,冷酷地,若无其事地( kill in cold blood 杀人不眨眼)。 leave sb. cold 对人冷酷无情;未说动某人。 make sb.'s blood run cold 使某人不寒而栗。 pour [throw] cold water on (对他人计划等)泼冷水,扫…的兴。 turn the cold shoulder on 冷待,对…冷淡。 n. 1.寒冷;冰点下。 2.感冒,着凉,伤风。 fifteen degrees of cold冰点下15度。 be left out in the cold 被…冷遇[摈弃]。 catch [take] cold 着凉,伤风。 cold in the head 鼻炎,淌清鼻涕,鼻塞。 come in from the cold 不再被忽视;摆脱孤立。 cold on the lungs 伤风咳嗽。 Feed a cold and starve a fever. 伤风要吃,发热要饿。 have a cold 伤风。 adv. -ly ,-ness n.
Uses : cold welding of nonferrous metals such as cu al ag ni pt sn zn ta and some of their alloys 产品用途:对铜、铝、金、银、铂、锡。钽铌等有色金属线材及他们部分合金线材的焊接。
Pipe joints and their elements for pipes of unplasticized polyvinylchloride unplasticized pvc under pressure ; sockets reducing of injection moulded for cold welding , dimensions 未增塑聚氯乙烯受压管道的管道连接件及其元件.第9部
At . detail specification for cold welded seal quartz crystal units for oscillator applications - dk enclosure , 6 . 0 to 25 mhz frequency range - fundamental thickness - shear mode , at - cut , for operation over wide temperature ranges non - temperature controlled - full assessment level 振荡器用冷焊密封石英晶体振子详细规范. dp外壳6 . 0至25mhz频率范围.宽温范围
At . detail specification for cold welded seal quartz crystal units for oscillator applications - dn , dq and dp enclosures , 17 to 75 mhz frequency range - third overtone thickness - shear mode , at - cut , for operation over narrow temperature ranges temperature controlled - full assessment level 振荡器用冷焊密封石英晶体振子详细规范. dn dq和dp外壳17至75mhz频率范围.窄温范围
At . detail specification for cold welded seal quartz crystal units for oscillator applications - dn , dq and dp enclosures , 50 to 125 mhz frequency range - fifth overtone thickness - shear mode , at - cut , for operation over wide temperature ranges non - temperature controlled - full assessment level 振荡器用冷焊密封石英晶体振子详细规范. dn dq和dp外壳50至125mhz频率规范.宽温范围
At . detail specification for cold welded seal quartz crystal units for oscillator applications - dn , dq and dp enclosures , 50 to 125 mhz frequency range - fifth overtone thickness - shear mode , at - cut , for operation over narrow temperature ranges temperature controlled - full assessment level 经质量评定的振荡器用冷焊封石英晶体振子详细规范. dn dq和dp外壳, 50至125mhz频率规范.窄温范围
At . detail specification for cold welded seal quartz crystal units for oscillator applications - dn , 47 u 2 , dq and dp enclosures , 17 to 75 mhz frequency range - third overtone thickness - shear mode , at - cut , for operation over wide temperature ranges non - temperature controlled - full assessment level 振荡器用冷焊密封石英晶体振子详细规范. dn 47u 2 dq和dp外壳17至75mhz频率范围.宽温范围
At . detail specification for cold welded seal quartz crystal units for oscillator applications - dn , dq and dp enclosures , 0 . 8 to 20 mhz and 3 . 0 to 30 mhz frequency ranges - fundamental thickness - shear mode , at - cut , for operation over narrow temperature ranges temperature controlled - full assessment level 振荡器用冷焊密封石英晶体振子详细规范. dn dq和dp外壳0 . 8至20mhz和3 . 0到30mhz频率范围.窄温范围
Before repairing , basing on the actual working condition , concerning the weldability , stress and deformation issues , the scheme of the cold welding technology whose essential being gtaw , low temperature preheating , postweld hammer the welded seam was established 修理前,围绕兼顾解决焊接性、应力和变形问题,结合实际施工条件制定了以手工钨极氩弧焊、镍基焊丝、焊前低温预热、焊后锤击焊缝为要素的冷堆焊工艺。
The mechanical environment is described in the paper and then the environments in three different orbits are proposed , called leo ( low earth orbits ) , meo ( medium earth orbit ) and geo ( geosynchronous earth orbits ) . the influence produced by the atomic oxygen , micrometeorites and debris , ionizing radiation and cold welding under vacuum is presented in the paper . some principles are proposed , which can be as the method to choose materials of the mechanism in space environment 空间环境中力学环境对可动结构的影响直接关系到机构的设计问题,所以本文第四章中岳建如:中文摘要浙江大学博士学位论文20024首先详细论述了空间环境中的力学环境,然后给出了空间环境的三种轨道环境划分,及每一种环境影响因素对空间可动结构设计的影响,包括原子氧、离子射线、温度、微陨石和碎片以及真空冷焊现象等环境因素,提出了材料选择的原则,为可动结构材料选择提供了一定的依据。