- 直接供暖设备
- 直接供热
- 直接加热的
- 直接加热法
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direct heating中文什么意思
例句与用法
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- It was approved by provincial technical authentication in 1999 that the high pressure hydrogenation stainless - steel sharp bend elbow made by our company has filled up the blank of the technology of high pressure close to hydrogen , direct heating the sharp bend elbow with flame in china , and with this product , our company was awarded the second and third prize of science technology progress in local and city , whats more , this product has also been recommended as the high - tech product by china council for the promotion of international trade and french supervising estimating commotion for scientific quality
公司自主研发的“ 180不锈钢无缝弯头” ，被评为国家级新产品“高压加氢不锈钢急弯弯管” 99年通过省部级技术鉴定，填补了“高压临氢火焰直接加热急弯弯管”工艺技术的国内空白，荣获地市科技进步二三等奖，被中国国际贸易促进委员会及法国科技质量监督评价委员会向欧盟市场推荐为高科技产品 - The first stage is characterized by the body becoming bigger and more elongated than in the nauplius stage ; the head and thorax , however , remain unchanged . during this stage direct heat and light from the sun is detrimental to the development of the larvae . under direct sunlight they become deformed and are unable to absorb nutrients
第一期，其形态特徵为体长比无节幼虫期大而伸长，头胸部与形态和前期同，此期最怕太阳直射，在太阳直射下，饲育的水蚤幼虫眼幼虫，身体弯曲成为畸形，不摄食。