1.下颌突出的
2.【木工】自下承接的;(拉门)靠轮子拉动的;在轨道上滑动的
1.describes a lower jaw that projects beyond the upper jaw
2.running on a rail or track situated underneath
1.Rules for construction of cranes, monorails, and hoists (with bridge or trolley or hoist of the underhung type); Addenda
起重机、单轨铁路和提升机的构造规则(带有悬桥或悬挂式吊车或悬挂式提升机).补充
2.Patented Track Underhung Cranes and Monorail Systems - Specifications
优质悬挂式轨道起重机和单轨系统。规范
3.Specifications for Enclosed-Track Underhung Cranes and Monorail Systems
封闭轨道悬挂式起重机和单轨系统用规范
4.Overhead and gantry cranes (top running bridge, single girder, underhung hoist); Errata
高架和龙门起重机(单梁顶行桥架悬挂提升机).正误表
5.Overhead and Gantry Cranes (Top Running Bridge, Single Girder, Underhung Hoist)
高架和龙门起重机(单梁顶行桥架悬挂提升机)