drop hammer [机] 落锤 ; 单作用锤 ; 落槌 ; [测] 吊锤
board drop hammer 板落锤 ; [机] 夹板落锤 ; [机] 夹板锤 ; 板落槌
belt drop hammer 皮带式落锤 ; 皮带落锤 ; [机] 皮带锤
drop hammer test [纸] 落锤试验
drop hammer die 落锤模
drop hammer tester 落锤试验机 ; 落锤测试计
air drop hammer 蒸汽·空气模锻
internal drop hammer 内部吊锤 ; 管内落锤
chain drop hammer 链条锤 ; 链式落锤
Drop hammer: a machine consisting of an anvil or base aligned with a hammer that is raised and then dropped on molten metal used to forge or stamp the metal resting on the anvil.
落锤：由钻或底座及与之对齐的锤组成的机器，锤被举起后落在融化金属上用于锻造或冲压放在砧板上的金属。
The basic principle of simple high strain pile test method transformed from measured free fall of drop hammer is given in this paper.
给出测量自由落锤的加速度换算高应变试桩的动力的简易法的基本原理、测试操作与工程应用。
This paper describes drop hammer hydraulic dynamic calibration device's operating principle and its main function. The problems of the current calibration methods are also studied in details.
该文介绍了落锤液压动标装置的工作原理及其主要功能，分析了现有校准方法存在的问题。
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