?油面测距孔

... 油密性 oil tightness 油面测距孔 ullage port (oil tank) 油面深度容积表 ullage table ...

?液面测距孔

... 液面测距孔 ullage port 液面吹泄阀 surface blow off valve 液面吹泄旋塞,浮渣吹泄旋塞 surface blow off cock ...

?空距孔

... 空距Ullage 空距孔Ullage Port 不能接受的，不合格的Unacceptable ...

?膨胀余位测孔

ullage port 空距孔; 膨胀余位测孔; 缺量测孔; 液面测距孔; 液面测量孔; 油面测距孔..