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.
ID mark on face of upper and intermediate piston rings must point toward piston crown.
上和中活塞环面上ID标记必须指向活塞头。
3.
The push rod was screwed into a miniature piston head.
这根推杆拧紧在一个微型的活塞头上。
4.
Optimized Design of G32 Diesel Engine Piston Crown
G32柴油机活塞头冷却结构的优化设计
5.
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）。
6.
piston to head clearance
活塞底和气缸头间隙
7.
a ring for packing pistons or sealing a pipe joint.
填塞活塞或垫在导管接头的圈环。
8.
Fragmentation Rebuild on Piston Rod of B690-1 Type Hydraulic Shaping Machine;
B690-1液压牛头刨床活塞杆断裂的修复
9.
Research on the die-forging of ZY760 rod end of piston
ZY760活塞杆头部模锻成型工艺研究
10.
Grip the sleeve and the piston assembly by the head of the hex head bolt.
用六角头螺栓的头部夹住套筒和活塞总成。
11.
A faucet or valve by which the flow of a liquid or gas can be regulated.
活塞一个能调节液体或气体流动的龙头或阀门，
12.
A beam that connects the piston rod to the connecting rod of a reciprocating engine.
十字头连接活塞杆和往复式发动机连杆的横杆
13.
a piston syringe that is fitted with a hypodermic needle for giving injections.
带有皮下注射器针头进行注射的注射器活塞。
14.
Optimized Design of the 280/285 Steel Crown Aluminum Skirt Composite Piston on Diesel Engine;
280/285系列柴油机钢头铝裙组合活塞优化设计
15.
piston pin snap ring
活塞销锁圈, 活塞销扣环
16.
piston diameter at ring lands
活塞环处的活塞直径
17.
piston ring plier(piston ring tongs)
活塞环钳（活塞环拆装钳）
18.
A DIA PISTON DIAMETER
A DIA 活塞直径