Each cylinder or mobile tube is identified by stampings in the metal of the cylinder shoulder.

可以通过钢瓶肩部金属上的印记来鉴别每个钢瓶或移动管道。

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The test tube that we shared together, but in the shortest time and you wipe the shoulder to miss.

我们共同经历的那段试管，却在最短的时间与你擦肩错过。

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Control squeeze shoulder bolt prevents over tightening of the clamp assembly, preventing the possibility of crushing the tube.

控制螺栓防止挤肩以上的夹具装配紧缩，防止粉碎管的可能性。

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The women trudge through the city for 48 hours wearing special backpacks, each with a long tube that is slung over the shoulder.

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