... lockagegate闸门 lockage-on锁定 lock-and-dammethod改善航道闸坝法 ...
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Based on the experience and lessons of lockage safety in Gezhouba Shiplock, the problem concerning lockage safety of multi-step ship lock were analyzed and approached.
根据葛洲坝船闸船舶过闸安全的经验教训，对多级船闸船舶过闸安全问题进行初步分析与探讨。
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