- 预先: in advance; beforehand
- 拉伸: draw; stretching; traction; ...
- 伞绳先拉直: lines-first deployment
- 伞衣先拉直: canopy-first deployment
- 预先: in advance; beforehand 预先打好行李 be beforehand with one's packing; 预先感谢 thank sb. in anticipation; 预先警告 forewarn; 预先声明 state explicitly beforehand; 预先通知 notify in advance; 她总是预先付房租。 she is always beforehand with the rent. 一切都已预先安排妥当。 everything has been fixed in advance
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