Heads and shells 封头和壳体
external pressure heads and shells 外压封头和壳体
Reserving Heads And Shells 保留头部和外壳
The shells and heads of those two reactors were made by titanium-clad plate owing to the bad operation condition and the strong corrosivity of medium.
由于操作条件恶劣、介质腐蚀性强，两反应器壳体和封头均采用了钛复合板。
We are like turtles in a traffic jam-the best we can do is to pull our heads into our shells and shut our eyes. But that's a good way to get the life crushed out of us, as any dead turtle can attest.
就好比交通事故中的乌龟一样，我们能做的是把脑袋伸进壳里，然后闭上眼睛……这是丢掉性命最好的方式，很多丢掉性命的乌龟都证实了这一点。
Shell and devein prawns, reserving heads and shells.
先剥虾，保留头部和外壳。
应用推荐