This paper presents the main types and features of luffing mechanisms of goose neck jib lorry loading cranes and proposes design requirements for 304304 type luffing mechanism.
介绍了随车起重机变幅机构的主要形式和特点，提出304304型变幅机构在设计时的要求。
I supervised the workers loading the lorry.
我监督工人把货物装上卡车。
I supervised the workers loading the lorry.
我监督工人把货物装上卡车。
应用推荐