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1·The rescue involved inserting a narrow ladder into the elevator from above, through the emergency hatch, Captain Melvin said.

此次救急方案中，还涉及到从高处塞进电梯一个窄的梯子。

2·When he got through the hatch he found Bela crouching by the emergency ejection hatch.

当他通过舱口时，杰克发现贝拉正蹲在紧急弹射舱口旁边。

3·Tightness test (opening and closing test, emergency opening and closing test) for cargo hatch cover.

货舱舱口盖密性试验(启闭试验、应急启闭试验)。