The assemble process of Conduit and Seat Ring belong to cylinder header will do an important influence on the whole motor power performance.

发动机缸盖进排气孔的导管和座圈装配质量直接影响整机动力性能。

youdao

A multitude of ring-shaped cracks and three water leakage points were discovered in the right side lower header of a boiler together with a cave-in of the boiler roof water-cooled wall.

锅炉右下集箱产生了很多环状裂纹和三个渗水点，同时顶棚水冷壁管塌陷。

youdao