protection n. 1.保护,保卫,防御,掩护,包庇,照顾 (from; against)。 2.保护者,防护物 (against); 〔美俚〕(歹徒向人索取的)保护费。 3.护照,通行证;〔美国〕(国籍)护照;通行证。 4. 【经济学】保护贸易制,保护政策。 protection against cold 防寒用具。 protection against moths [lightning] 除虫,避(雷)。 protection at halts 驻军警戒。 protection on move 行军警戒。 under the protection of 在…保护下,受…保护,托…照顾。
automatic adj. 1.自动的;机械的。 2.【生理】自动性的,无意识的。 n. 1.自动机械;自动装置。 2.自动手枪。
The operation rules for underwater semi - automatic protection welding by way of water partially drained by co2 水下局部排水二氧化碳保护半自动焊作业规程
Safe and dependable : use safe dc 12v and double automatic protections of the heating , which made the whole dispenser much safer 使用12v直流安全电压,加热器配有双重自动保护,极大地增强机器的安全性。
One of the planes had been found frozen , cycle overload , he touched a set of automatic protection warning systems to ensure the safe operation of whole sets 本机设有冷冻过载循环过载抛动过载等自动保护报警系统,以保证整机安全运行。
2accurate temperature setting 3has automatic protection device for power leakage 4aquarium ic thermostat uses ic to control the heater to adjust the desired aquarium temperature 4微电脑自动控温器利用ic控制加热管加温,以调整鱼缸所需温度。
There is a high precision anti - interference leakage detection sensor fitted in the enclosed oil chamber , and a thermosensitive element fitted in stator winding to carry out automatic protection of pump motor 该泵密封油室内设置有高精度抗干扰漏水检测传感器,定子绕组内预埋了热敏元件,对水泵电机自动保护。
Quick - response automatic protection device and infrared liquid level control system , interaction system of feeding and heating form chain safety protection system with simple operation and reliable safety 灵敏的自动压力保护装置和红外线液位控制系统,进油与加热联动系统,构成整机连锁安全保护体系,操作简单,安全可靠。
This product adopting automatic protection air lock and the advanced yseries component and stainless steel for with hiht accuracy grinding with hollow floating , having energy conservation efficiently , durable service ascendant function 本产品采用自动防气锁装置的先进y系列元件和高精度研磨的不锈钢空心浮球制造,具有高效节能,经久耐用的优越性能。
If requested by users , it can be equipped with full automatic control cabinet to carry out automatic protection to the water leakage , creepage , overload and overtemperature of pump , which has greatly enhanced the security and dependability of the product 可根据用户需要配备全自动控制柜,对泵的漏水、漏电、过载及超温等进行自动保护,提高了产品的安全性与可靠性。
High frequency inversible monopole impulse substrate power source , max . output power 6kw , output voltage 50 - 100v , output current 5 - 25a three levels , input of 3380v 50 - 60hz with automatic protection , and speedy arc - eliminating automatic protection 高频逆变单极脉冲偏压电源,最大输出功率6kw ,输出电压50 - 1000v ,输出电流5 - 25a分三档可调,输入3380v 50 - 60hz过流自动保护,快速灭弧自动保护。
To decrease energy consumption of jingxian oil pipeline , the transportation process of the pipeline is improved to tight - line pump process and realizes the automatic pressure and oil throughput regulating as well as the automatic protection under the extreme operating condition 摘要针对靖咸管道大落差、多种管径和输送流量大的特点,结合实际运行工况进行了技术改造,旨在降低管道的运营能耗。