oil cock

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