CYLINDER BLOCK COOLANT DRAIN PLUG
汽缸体冷却剂放油旋塞
Screw out the oil plug while filling, and screw down as finished.
注油时，将油塞旋下，注油毕，再将油塞旋上拧紧。
crankcase oil drain cock
曲轴箱放油开关［旋塞］
Internal combustion engines--Piston rings--Coil-spring-loaded oil control rings
GB/T1149.7-1994内燃机活塞环螺旋撑簧油环
cylinder lubrication cock
汽缸润滑旋塞，汽缸滑油开关
water ga(u)ge cock
水量表旋塞，示水位旋塞
3-Way Plug Valve 1;3-Way Plug Valve 2;3-Way Plug Valve 3
向旋塞阀 1;3 向旋塞阀 2;3 向旋塞阀 3
cock,for fitting into bung holes of casks or barrels
塞入桶或圆筒口的旋塞
air shut-off cock
(制动机)截断旋塞
flex-vent oil ring
(活塞) 挠性油环
liquid piston rotary compressor
液体活塞式旋转压气机
helical spline type actuator
带螺旋活塞杆的液压缸
ring with coil-spring expander
螺旋弹簧胀圈活塞环
cylinder relief cock
汽缸减压旋塞，减压器
gas filter drain cock
煤气过滤器放水旋塞
handle faucet of base metal
旋塞手柄,贱金属制
swash plate axial piston pump
旋转斜盘轴向活塞泵
lubricating oil and piston cooling oil pump
润滑油及活塞冷却油泵