gantry slinger

例句：

1. 1. The gantry cranewas used to transport heavy loads across theriver.
   起重机吊车被用来将重物跨过河流运输。
2. 2. Thegantry crane operatorhad to work under strict safetyregulations.
   起重机吊车操作员必须遵守严格的安全规定工作。
3. 3. Thegantry crane wasa critical component in the constructionof the new bridge.
   起重机吊车是新建桥梁建设的关键组成部分。