指金气。即金运作用。《素问·气交变大论》：“收气不行，长气独明，雨水霜寒，上应辰星。”王冰注：“金气退避，火气独行，水气折之，故雨零冰雹及遍降霜寒而杀物也。”
收卷：连续式气涨轴、电脑控制充气与打开。
Rewinding: continuous mode air expansion shaft, computer controls inflation and open.
钻井工程非勘探开收石油取地然气资流的一个从要环节。
Drilling project is an important tache for the exploration of oil and gas resources.
放卷、收卷均由气胀轴支撑料卷，更换快捷、撑力均匀、定心准确。
The unwinding equipment and rewinding equipment all adopt air-expansion shaft to bear roll materials, assuring fast replacement, even supporting force and accurate centering.
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