Standard coupling to buy convenience, price non-standard couplings designed to be much cheaper.

标准联轴器选购方便，价格比自行设计的非标准联轴器要便宜很多。

youdao

Standard coupling to buy convenience, price non-standard couplings designed to be much cheaper.

标准联轴器选购方便，价格比自行设计的非标准联轴器要便宜很多。

youdao