The invention discloses a solar tracking device which comprises a power unit, a supporting board and an adjustment unit, wherein the power unit is provided with a lifting piece;
本发明公开一种太阳跟踪装置，该太阳跟踪装置包括有动力单元，其具有升降件；
The article describes composition of hydraulic control system of lifting device, and adoption of moment-location feedback control to perform displacement and positioning of work piece in correct way.
简要阐述提升装置液压系统组成及采用力-位置反馈控制思想实现工件的移动和定位。
When lifting the flat boxes the board cracks at the remaining board Bridges and after welding the final piece does not bend at right angles.
当处理平的杂志箱时，我们遇到了两个问题。当抬起箱子时，纸板在余下相连处断裂，重新焊接后，最后一片的弯曲角度不正确。
You can probably best think of this as lifting a pen or pencil from one spot on a piece of paper and placing it on the next.
你可以把它想象成是把笔提起，并从一个点移动到另一个点的历程。
Finish connecting the first piece with the second piece, then installed platforms and ladders, at last lifting the stack with all platforms and ladders.
第一段和第二段组对完毕，然后安装平台和爬梯，爬梯和平台随烟囱一起吊装。
Finish connecting the first piece with the second piece, then installed platforms and ladders, at last lifting the stack with all platforms and ladders.
第一段和第二段组对完毕，然后安装平台和爬梯，爬梯和平台随烟囱一起吊装。
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