还有,前面的闸皮也得换。
通过理论计算确定贴闸皮油压的数值,以便统一认识、指导实践。
In order to unify knowing and benefit manufacture, we must calculate the figure of the oil pressure contacting brake.
他两分钟就能搞定,时间成本低,而且也就是一块闸皮的事儿,材料成本低,所以便宜。
He finished it only two minutes, cost a little time, and only a piece of brake lining, a little material, so it's cheap.
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