Last time they went away without doing anything because they are " not licensed to use hoists " .

上一次他们什么也没做就离开了，原因就是“他们没有得到使用吊重机的许可”。

Design specification for gate hoists in hydropower and water resources projects .

水电水利工程启闭机设计规范。

Scope of work description : mechanical installation of monorail hoists , trolleys , and ancillaries .

工作范围描述：单轨吊车、小车及辅助设备的机械安装。

Pulley tackle and hoists other than skip hoists ; winches and capstans ; jacks .

滑车及提升机；卷扬机及绞盘；千斤顶。

Supply second-hand car hoists , japan 120 tons of used cars kato crane , as the price to pay is unable to show , please call to confirm .

供应二手汽车吊，日本加藤120吨二手汽车起重机，因支付宝无法显示价格，请电话确认。