轴封有骨架油封、机械密封、填料密封三种型式，订货注明。

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

youdao

轴封有骨架油封、机械密封、填料密封三种型式。

Shaft seal skeleton oil seal, mechanical seal, packing three types.

youdao

轴封有骨架油封、机械密封、填料密封三种型式。

Shaft seal skeleton oil seal, mechanical seal, packing three types.

youdao