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防淹门
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防淹门
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anti-flooding door
防淹门
防止因突发事故造成隧道破裂后河水涌进地下工程的设施。在发生事故时紧急关闭防淹门,能够封闭水下隧道,保护地下工程人身和设备的安全。
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focusing apparatus
focusing camera
focusing chain
focusing circle
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focusing collisions
focusing condition
focusing control
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focusing cup
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focusing distance
focusing electrode
focusing event theory
focusing factor
focusing foil
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focusing glass
focusing glass measuring distance
focusing hood
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focusing magnetic field
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