detachable valve face 可卸阀面 ; 可拆阀面
valve-face width 气门接触面宽度
slide valve face 滑阀面 ; 滑阀滑面
valve face seal 气门面密封
valve face angle 气门面斜角
intake valve face 进气门斜面
exhaust valve face 排气门端面
valve face guttering 气门面排出槽
exhaust valve face angle 排气门面角
The valve face is provided with a pilot hole or a micro fixing valve.
阀面上 冲有导向孔或微型固阀。
If it is found there is damage to the valve face should be immediately suspended, can be specialized material repair the lesion, or entrust the relevant units of production.
若发现阀门面有损坏时应立即停用，可用专门材料修补患处，或委托有关生产单位生产。
No matter how the valve is installed, the back of the upstream seat protects the face of the downstream seat.
无论阀门如何安装，上游阀座的后背都能够保护下游阀座的表面。
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