Valve cover
... Dust seal 档尘圈 Valve cover 气门盖,阀盖 Cylinder tube 汽缸筒 ...
valve bonnet
... Alligator bonnet鳄口形发动机罩 valve bonnet阀盖;阀帽;阀罩;气门盖 sun bonnet阔边遮阳女帽 ...
valve cap
... valve bolck 给油(水)阀组 valve cap 阀盖,气门盖 valve control panel 阀的控制面板 ...
[昆] pnystega
... pneustocera 呼吸角 pnystega 气门盖 pobrachial 后臂脉 ...