We make steam pass through a pipe, round the outside of which cold water circulates.
我们使蒸汽通过一根管子，在管子周围有冷水循环。
Can view the first round of brake oil pipe is, the adequacy of tire pressure.
可先检视该轮制动管路是否漏油，轮胎气压是否充足。
A deformation way from round welded pipe to square one is introduced.
介绍了一种由圆形焊管变方形焊管的变形方式。
A deformation way from round welded pipe to square one is introduced.
介绍了一种由圆形焊管变方形焊管的变形方式。
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