两侧都经过精密光亮磨光的刀片确保填料腔的气密性密封。闸板的密封面经过研磨，以提供最好的阀座密封性。

Precision ground blade on both sides for tighter packing chamber sealing. Sealing face of the gate is lapped to provide the best possible seat tightness.

youdao

在地表上以先左右后上下的顺序移动晶面机，研磨直到地表光亮，每次操作区域35平米。

Move the crystallizing machine onto the surface, first move left and right then move up and down. Polish until the floor becomes glossy and lustrous. Each operation covers about 3~5 square meters.

youdao

在地表上以先左右后上下的顺序移动晶面机，研磨直到地表光亮，每次操作区域35平米。

Move the crystallizing machine onto the surface, first move left and right then move up and down. Polish until the floor becomes glossy and lustrous. Each operation covers about 3~5 square meters.

youdao