...仪在园林施工放线中的应用 - 测绘论文 关键词：放线方法；施工放线；电子全站仪；园林施工 [gap=411]keywords: pay-off methods; construction of pay-off; electronic tachometer; garden construction ..
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Following these methods may not guarantee the success in..., but the pay-off will be worth the sweat we shed.
这些办法或许无法保证成功地……，但这种努力值得的。
By taking beaming machine as an example, this paper describes the methods that realize the constant tension control of pay-off and take-up reel of wire and cable by using general inverter.
以倒轴机为例，介绍了采用通用变频器来实现线缆收放卷恒张力控制的方法。
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