3) double-faced giant magnetostriction thin films
超磁致伸缩双面薄膜
4) double diaphragm
双薄膜
1.
The structure,operating principle and manufacturing process of double diaphragm direct acting gas regulator are introduced.
介绍了双薄膜直接作用式燃气调压器的结构、工作原理及制造工艺。
5) double-plastic
双层薄膜
1.
In this experiment,the indoor lowest temprature that coagulated dew naturally and manually in double-plastic greenhouse were tested, contrasted with outdoor.
结露现象在温室中普遍存在,该试验通过对双层薄膜温室内自然结露和人工结露两种情况的室内最低温度同室外进行对比测试,对结露时间早晚对双层非充气塑料薄膜保温效果的影响进行了分析。
2.
For the weakness in heat preservation of typical single-ridge plastics greenhouse in Yunnan central area, on the contrary,the lowest indoor and outdoor temprature in winter in double-plastic greenhouse and single-plastic greenhouse were tested.
由于滇中地区典型单栋塑料温室存在保温性能不足的缺点,该试验同时对双层薄膜覆盖、单层薄膜覆盖和室外3种情况的最低温度进行了对比测试,对双层非充气塑料薄膜在该类温室中的保温效果进行了分析。
6) Thin-film double-gate
薄膜双栅
补充资料：齿轮双面啮合检查仪
见齿轮综合检查仪。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条