Now generally used PTEE, EPDM and other material for the valve seat, so bubbles leakproofness good.现一般均使用PTEE 、 EPDM等材料,为阀座, 因此,气泡密封性佳.Especially in automobile industry, the leakproofness of cylinder influences the perfo...
嗜色质见于树突的细胞质中.Chromatophilic substance is found within the cytoplasm of dendrites.本研究探讨一些脱色方法期使纸业废水洁净无色,结果显示废水中之色质常因其粒径微小不易凝集去除.In this study, we explored several means of color removal from effluents.员工餐厅保温售卖台设计成带二层玻璃罩,结...
We got a bit of a scare.我们受了点惊吓。They used this kind of scare tactic when I was growing up.我小的时候,他们用过这种吓唬人的办法.Despite the scare there are no plans to withdraw the drug.尽管大家忧心忡忡，可是并无撤回药物的计划。He described talk of sackings as...
这是一对感应线圈.This is a double induction coil.烧穿的线圈应换新的.The burnt coil should be renewed.埋在地下隧道里的线圈可能很快就会被用来储存大量的电。Coils buried in tunnels below the ground might soon be used to store large amounts of electricity....
Most trees lose their foliage in winter.大多数树木在冬天落叶。Foliage and other aboveground parts of plants by means of a sprayer.以喷雾施用于植物叶片和其它地上部分.European goosefoot with strong - scented foliage; adventive in eastern North Americ...