铁路蒸汽机起重吊车内燃化改造设计与实施技术
Improving Design of Dieselized Crane of Steam Engine for Railway and Its Implementing Skills
本文建立了起重驳船上的吊车在风浪中起吊潜体的运动微分方程；
In this paper , the formulas for calculating the motion of a crane barge to lift a submersible in wave are listed ;
起重吊车