Wear fitted clothes - a loose T-shirt might end up over your head when you're in a forward bend.
穿着合适的衣服，一个过于宽松的T恤也许会在你前倾的时候遮住你的头。
Nomatter transporting gas or oil, there are pipelines, there are pipe fittings such as bend pipe, reducing joint, T-pipe, pipe cap and so on.
无论是用管道输气、输油，凡有管道的地方，都少不了弯头、异径接头、三通、管帽等管件。
Nomatter transporting gas or oil, there are pipelines, there are pipe fittings such as bend pipe, reducing joint, T-pipe, pipe cap and so on.
无论是用管道输气、输油，凡有管道的地方，都少不了弯头、异径接头、三通、管帽等管件。
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