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单选题
548、The vent scoop and pressure relief valve are on an access door in each surge tank.
548、The vent scoop and pressure relief valve are on an access door in each surge tank.
排气铲和泄压阀安装在每个调压舱的检修门上。
A
Each surge tank has a vent scoop and pressure relief valve on its access door.
B
The vent scoop and pressure relief valve each has an access door in the surge tank.
C
The surge tank has a vent scoop and pressure relief valve on each access door.
答案解析
正确答案：A
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