超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
多单元构件预加应力
multielement prestressing
多单元机组
Multi-unit Generating Sets
多体运动学
mutil-body kinematics
multi-body kinematic theory
Multi-body Kinematics
柔体多体动力学
flexible multi-body dynamics
超单元组合—超单元—单元划分
divition of “super unit combine—super unit—unit
单机运动测距
the single observer maneuvering location
单体单元
automatic force viscometer
腰椎运动单元失稳
Lumbar motor unit instability