1.
An Analytical Study of Piston Impact and Scraping Force Induced by the Piston Secondary Motion;
由活塞二阶运动引起的活塞敲击及刮擦力分析
2.
Research on the Impact Force Induced by Piston Slap and Vibration of Internal Combustion Engine Block;
内燃机活塞敲击力及其引起的机体振动研究
3.
Piston Kinematics Analysis Based on Reducing Piston Slapping Force and Optimal Design
以降低活塞敲击力为目标的活塞运动学分析及优化设计
4.
piston pin knock
活塞销与销座间敲击声
5.
One that raps or strikes, especially a door knocker.
敲击者敲击或打击的人，尤指敲门者
6.
Perhaps I shall even use it to tap a jaunty tune on Cyrus`s tombstone.
也许我应该用它在塞勒斯的墓碑上敲击出一段动人的旋律来。
7.
A knocking or tapping sound.
敲击声敲击或叩击发出的声音
8.
To strike(a bell) to produce music.
敲击敲击（一只钟）从而奏出音乐
9.
A nonlinear FEM analysis of piston for a hydraulic drill-rod
液压冲击器活塞的非线性有限元分析
10.
The sound of a sharp tap on a hard surface;a rap.
敲击声在坚硬的表面上的急促敲击的声音；敲击声
11.
To hit, especially repeatedly, with or as if with a hammer; pound.
锤击，击敲打，尤指连续地用锤子敲打或好象用锤子敲打；连续猛击
12.
Knock. Opens locked or psionically locked doors.
敲击术：敲开锁或以灵能锁住的门。
13.
A quick, light blow or knock.
轻敲，轻叩快速、轻轻的打击或敲打
14.
sound the wheels of a train,ie by striking them
敲击火车车轮进行检查.
15.
She banged the keys of the piano.
她用力敲击钢琴键。
16.
A pulsation produced by beating.
振动敲击产生的振动
17.
The rain drummed upon the windowpane.
雨点敲击着窗玻璃。
18.
He was hammering at the keys.
他在使劲敲击琴键。