Precision machined beveled gate end provides long life of seating components.

精密机械加工的斜面闸板端使得阀座部件使用寿命更长。

youdao

Precision machined beveled gate end provides long life of seating components.

精密机械加工的斜面闸板端使得阀座部件使用寿命更长。

youdao