-
大多数活塞的顶部有3个活塞环槽。
Most pistons have three ring grooves at the top.
youdao
-
清洁活塞环槽或油环开缝，绝对不能损伤金属部分。
Be sure that you do not remove metal when cleaning ring grooves or oil slots.
youdao
-
清洁活塞环槽或油环开缝，绝对不能损伤金属部分。
Be sure that you do not remove metal when cleaning ring grooves or oil slots.
youdao