Shaft seal skeleton oil seal, mechanical seal, packing three type, indicate the order.

轴封有骨架油封、机械密封、填料密封三种型式，订货注明。

youdao

Shaft seal skeleton oil seal, mechanical seal, packing three type, indicate the order.

轴封有骨架油封、机械密封、填料密封三种型式，订货注明。

youdao