1.
Numerical Calculation of Radiation Impedance of the Rectangular Piston in Different Ratios;
不同比率的矩形活塞声源辐射阻抗的研究
2.
Sound calculation method of piston sound source geometric average sound pressure
活塞型声源几何平均声压的声强计算方法
3.
Underwater Piston Sound Source Based on Gaint Magnetostrictive Material
基于超磁致伸缩材料的活塞式水下声源
4.
piston pin knock
活塞销与销座间敲击声
5.
The piston slides noiselessly up and down.
这个活塞上下活动,没有响声。
6.
Mathematical Model of a Pistonphone Vsed in Microphone Calibration
传声器校准用活塞发生器的数学模型
7.
Research on Acoustic Emission Monitoring Technology of Piston Rod in Reciprocating Compressor;
往复压缩机活塞杆声发射监测技术研究
8.
Research on Piston Machining Process and Resource Scheduling and Their Simulation;
活塞加工工艺与资源调度及其仿真的研究
9.
piston pin snap ring
活塞销锁圈, 活塞销扣环
10.
piston diameter at ring lands
活塞环处的活塞直径
11.
piston ring plier(piston ring tongs)
活塞环钳（活塞环拆装钳）
12.
A DIA PISTON DIAMETER
A DIA 活塞直径
13.
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。
14.
(1) "Noise emission" means emission of noise from the source to the living environment of the neighbourhood.
（一）“噪声排放”是指噪声源向周围生活环境辐射噪声。
15.
The plunger or piston of a force pump or hydraulic press.
活塞压力泵或水压机内的柱塞或活塞
16.
The piston end of the rod is attached to the piston by the piston pin, or wrist pin.
连杆的活塞端用活塞销或销轴安装在活塞上。
17.
Piston Oscillation Characteristics of Single Piston Hydraulic Free-Piston Engines
单活塞液压自由活塞发动机活塞振动特性研究
18.
flex-vent oil ring
(活塞) 挠性油环