杠杆重锤式安全阀
lever and weight safety valve
重锤式蓄能器
weighted accumulator
weight loaded accumulator
离心式调速器重锤
centrifugal-mechanism weights
整体式偏心重锤
integral eccentric weight
重锤拉紧式胶带机
Counterweighted Tensioned Sealing-tape Machine
重型落锤式弯沉仪HWD
heavy weight deflectometer HWD
自反馈重锤平衡式加料器
self-feedback heavy hammer balance feeder