Discussing several ordinary processing technologies of valve seat ring and valvestemguide hole of cylinder head now.
对目前气缸盖气门座圈和导管孔的几种一般加工工艺进行讨论。
2
Analyzing the many factors of affecting the processing precision of valve seat ring and valvestemguide hole of cylinder head.
对影响气缸盖气门座圈和气门导管孔的加工精度的诸多因素进行分析。
3
As the shut-off valve is seated, a passage 41 in its stem connects with ports 42 in the guide bushing 37 so as to allow inlet air to pass though the valvestem to a housing port 44.