This article introduces we carry on the stress analysis under two conditions of weights-hoist and transporting materials when weights-hoist calibration about the single lever belt weigher.
本文描述了单杠杆电子皮带秤在挂码校准时，对挂码和输送物料两种状态进行受力分析。
2
The air hoist may be used to hoist a workman (other than derrick-man) when a bosom chair with safety belt or derrick climbing belt is used to hoist the workman.