lapped butt

lapped butt

lapped butt 双语例句

1. Rings for automotive engine usually have butt joints, but in some heavy-duty engines, the joints may be angled, lapped, or of the sealed type.
    汽车发动机上的活塞环通常是有接口的。但在一些重型发动机上,活塞环的接口可以是斜角接口,搭接式或密封式的。

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