... torispherical knuckle radius 带折边的球形，转角半径 heads and shells 封头和壳体 external pressure out-of-roundness 外压，不圆度 ...
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external pressure heads and shells 外压封头和壳体
Reserving Heads And Shells 保留头部和外壳
Shells and Heads 容器壁及顶
Shell and devein prawns, reserving heads and shells.
先剥虾，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。
Thing axe-heads themselves would serve indeed have served in some societies and over a very large area of south-east asia cowry's shells were used the most often quoted form of primitive money.
这种“货币”可能是任何一种为大家所接受的东西——斧头本身就有此用处，而且的的确确在有些社会里已这样用了。 在东南亚的广大地区，人们曾经将宝贝贝壳当货币，这是最常提到的原始货币形式。
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