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- 双坡口油环Double bevelled oil control ring
- 螺旋弹簧加载双坡口油环Coil spring loaded slotted oil control ring
- 经济喷口油道塞economizer hopper passage plug
- 经济喷口油道塞;经济喷口油道塞economizer hopper passage plug
- 管环相贯焊接坡口数控切割研究Study on NC Cutting of Welding Groove for Intersecting of Pipe and Annulus
- X形坡口double-V groove
- 背面坡口underside groove
- 控油环间隙位于燃烧室凹口的左30 度。Oil control ring gap to be located 30 degrees to the left of combustion chamber recess.
- 坡口机beveling machine
- 单J形坡口single-J groove
- 单U形坡口single-U groove
- 不开坡口square groove
- V型坡口V groove
- V形坡口single-vee groove
- 正坡口positive bevel
- 坡口端groove end
- 坡口焊groove weld
- 坡口面fusion face
- 双面U形坡口double U-groove
- 切坡口beveling