1.
The top part of the piston is the head, or crown.
活塞的顶部是活塞头或者活塞顶。
2.
A Study of Fuel Film Distribution on the Piston Top of Diesel Engine
柴油机活塞顶面油膜分布规律的研究
3.
In simplest terms, piston rings are thin, circular pieces of metal that fit into grooves in the tops of the pistons.
简单地讲，活塞环就是装在活塞顶部的凹槽里的薄，圆的金属。
4.
The underside forms the combustion chamber with the top of the piston.
气缸盖下面与活塞顶上的空间形成燃烧室。
5.
STUDY OF COMPOSITE PISTON TOP CONSTRUCTION AND CLEARANCE OF EACH CONTACT FACE
组合活塞顶部结构及各接触面间隙的研究
6.
It is thick at the top where it takes the brunt of the heat and the expansion force.
活塞顶部厚，承受着高温燃气的带有冲击性的高压力。
7.
Most pistons have three ring grooves at the top.
大多数活塞的顶部有3个活塞环槽。
8.
When the stopcock is opened, water flows from the top of the warmer column into the colder column.
打开活塞后，水即由较热的水柱顶端流入较冷的水柱。
9.
The top two rings are to keep the gases in the cylinder and are called compression rings.
最顶的两道保证活塞与气缸壁间密封的环叫做气环。
10.
Analysis and Improvement of the Habitude Damage in the Alumininm Skirt of the Composite Piston
钢顶铝裙活塞裙部破损惯性质量问题分析及改进
11.
Top ring gap must be positioned at 30 degrees to the right of the combustion chamber recess (looking at the piston crown from above).
顶部环间隙必须定位在燃烧室凹口右30度（从上看活塞头）。
12.
piston pin snap ring
活塞销锁圈, 活塞销扣环
13.
piston diameter at ring lands
活塞环处的活塞直径
14.
piston ring plier(piston ring tongs)
活塞环钳（活塞环拆装钳）
15.
A DIA PISTON DIAMETER
A DIA 活塞直径
16.
centre plunger hydraulic lift
柱塞直顶式液压电梯
17.
hydraulic plunger elevator
液压柱塞直顶式升降机
18.
The keystone in the crown of an arch.
拱顶石位于拱顶的塞缝石