Construction equipment in place: excavator, crane, welding machine, Angle grinder, abrasive cut-off machine and any other equipment.
施工机具到位：挖掘机、吊车、焊机、角向磨光机、砂轮切割机及其它工用具。
2
This paper assumes the rotational angular velocity of a crane according to the experimental sine rule, and derives the nonlinear differential equations of the swing Angle.
本文以实验为依据，假定起重机的旋转角速度按正弦规律变化，推出货重偏摆角的非线性微分方程。
3
The technique was applied to a simulated model of a boom crane slewing at a constant luff Angle while reeling in the cable and linearized around the payload equilibrium position.