石油矿场机械设备用于支承钢丝绳的钢制绳轮，采用低弹性模量的材料制作，可大幅度地延长钢丝绳的使用寿命。

The service life of the oilfield wire rope can be greatly extended by using sheaves made of material with low elastic modulus.

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为了确保保持适当的排列，以备用26“轮(最好的三轮车正在使用的1)和地方奏它把辍学。”

To insure the stays are properly aligned, take a spare 26 "wheel (preferably the one being used for the trike) and place it into the drop-outs."

youdao

为了确保保持适当的排列，以备用26“轮(最好的三轮车正在使用的1)和地方奏它把辍学。”

To insure the stays are properly aligned, take a spare 26 "wheel (preferably the one being used for the trike) and place it into the drop-outs."

youdao