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- Since these back-up stem seals rotate against the TFE bushings, valve shell leakage, indicating wear on the outside of these seals, is virtually unreported. 由于这些阀杆密封支撑靠着TFE衬套旋转，所以显示这些密封外部磨损导致的阀门外壳泄漏实际上就没有再发生。
- Ostracodes are small animals, most of which have a two valved shell. 介形虫是小型动物，其中大部份都具有两瓣的外壳。
- A New Technics on Gate Valve Shell Machining 闸阀外壳加工新工艺
- Composed of a single valve or piece. Used of a shell. 单瓣的由单个瓣膜或部分组成的。用于壳
- Keep down of you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The snail retreated into its shell. 蜗牛缩进壳里去了。
- Have you turned off the water valve? 你关掉水阀了吗？
- A shell splinter embedded itself in the wall above his head. 在他头上方的墙壁上嵌有一块小小的贝壳片。
- The building was burned to a shell. 大楼被烧得只剩下空骨架。
- The despair left him a mere shell of a man. 他陷入绝望，形同躯壳。
- She crumbled an empty snail shell in her fingers. 她用手指捏碎了一个空蜗牛壳。
- A snail's shell is spiral in form. 蜗牛壳是螺旋形的。
- We need an eye bolt to fit this valve. 我们需要一个有眼螺栓来固定这个阀门。
- Keep down or you'll be hit by shell fragments. 别起来，否则你会被弹片击中的。
- The building was destroyed by an artillery shell. 这座建筑物被炮弹炸毁了。
- He soon detected the faulty valve. 他很快查到了出毛病的阀门。
- Having a shell consisting of two hinged valves. 双瓣壳的有由两个开合的瓣组成贝壳的
- Fixing of the Main Inlet Control Valve Shell of The Unit 1 in Xiangtan Power Plant 湘潭电厂1号机主汽门阀壳裂纹补焊处理
- The Flow Pattern Analysis of Hot Extrusion Carbon Steel Pressure Reducing Valve Shell and Die Design 热挤压碳素钢减压器壳体流动成形分析及模具设计
- I shall be expected to shell out (the money) for the party. 这次聚会可能要让我花钱。
