常見(jiàn)例句

雙語(yǔ)例句

• A horizontal smoke pipe adopts a spring suspender and a central roller support, and the friction resistance generated by the thermal expansion the pipe when moving is reduced.
  水平煙管采用彈簧吊、中心滾動(dòng)支座，可減少管道熱膨脹移動(dòng)時(shí)的摩擦阻力；
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