1.
piston ring plier(piston ring tongs)
活塞环钳（活塞环拆装钳）
2.
piston diameter at ring lands
活塞环处的活塞直径
3.
cornered piston ring
棱边精车过的活塞环, 修过角的活塞环
4.
Install rings and confirm ring side clearance:
安装活塞环，并确认活塞环侧间隙：
5.
The grooves into which they fit are called ring grooves.
安装活塞环的凹槽称为活塞环槽。
6.
Most pistons have three ring grooves at the top.
大多数活塞的顶部有3个活塞环槽。
7.
piston ring back clearance
(指与活塞底之间) 活塞环内表面间隙
8.
"Thus, piston rings must be used to provide the necessary seal. The rings are installed in grooves in the piston. Actually, there are two types of rings, compression rings and oil-control rings."
所以活塞环就用来提供必要的密封。活塞环装在活塞的凹槽中。事实上有两种活塞环,气环和油环。
9.
internal and cylindrical centerless grinder for pistone ring
活塞环内外圆无心磨床
10.
piston ring free gap
活塞环自由开口间隙
11.
vertical -spindle double ended grinding mahcine for piston ring
活塞环立轴双端面磨床
12.
Piston rings not sealing (oil being consumed by the engine).
活塞环没密封（引擎用油）。
13.
ring gap in bore
汽缸内活塞环切口间隙
14.
ring with coil-spring expander
螺旋弹簧胀圈活塞环
15.
horizontal spindle double ended grinding machine for piston ring
活塞环卧轴双端面磨床
16.
piston ring superfinishing machine
活塞环外圆超精加工机
17.
circumferentially compressible piston ring
"沿圆周压缩的活塞环,周向压缩的活塞环"
18.
Internal combustion engines--Piston rings--Keystone rings and half keystone rings
GB/T14223-1993内燃机活塞环梯形环和楔形环