立井施工期间，采用多台凿井绞车同时悬吊或张紧一个设备，如：吊盘、模板等。

In shaft construction, many sinking hoists were used to hang or bring to the stretch equipment like hang dish, and template.

youdao

立井施工期间，采用多台凿井绞车同时悬吊或张紧一个设备，如：吊盘、模板等。

In shaft construction, many sinking hoists were used to hang or bring to the stretch equipment like hang dish, and template.

youdao