a massive power hammer; raised by a cam until released to fall under gravity.
一种大动力锤；通过凸轮提升在重力作用下释放。
It would not be influenced by the vibration,fluctuating steam pressure,and the water hammer.
不受震动、蒸汽压力波动和水锤的影响。
Dynamical study of the hammer's impacting directly rocks
冲锤直接冲击凿入岩石的动力学研究
PHOTOELASTIC STUDY OF DYNAMIC STRESS CONCENTRATION AT SWALLOWTAIL ON HAMMER FORGING DIE
锤锻模燕尾动态应力集中的光弹性研究
The Research of Stress-wave Produced by YZX127 Hydraulic Hammer and Its Communication in CCSD;
YZX127型液动锤产生的应力波及其传播研究
Hammers Arrangement Optimization and Rotor Dynamics Analysis on Scrap Metal Shredder
废钢破碎机的转子动力学分析及配锤优化研究
air-lift gravity drop hammer
蒸汽重力落锤;单作用空气锤;空气重力落锤
hand hammer of base metal (excl. power-operated and surgical and medical hammers)
手锤,贱金属制（不包括电动锤和外科和内科用锤）
pendulum dynamometer
摆锤式测功器摆锤式测力计
semiautomatic control type pneumatic pile hammer
半自动操纵式气动桩锤
non-electric hand-held power-operated hammer
手提式机动锤,非电动
caulking hammer, power-operated, non-electric, hand-held
手握式机动铆锤,非电动
Floating hammer, force of impact don't act on basic shaft and surface, have buffer action.
、环锤浮动，冲击力不直接作用于主轴和壳体，有一定的缓冲作用。
Quick closing valves, water hammer or supply pressure fluctuations can cause intermittent discharge.
迅速关闭阀门，水锤或供应压力波动可能导致间歇性排放。
Research on Dynamic Characteristics of Flat-hammer Mill s Rotor Based on Virtual Prototype Technology;
基于虚拟样机技术的锤片式粉碎机转子动力学特性研究
tearing strength by falling pendulum apparatus
落锤法撕破强力试验
weight-loaded accumulator
重锤式蓄能器;重力蓄力器;重物锤式储能器
cylinder impacting type pneumatic pile hammer
气缸冲击式气动桩锤