金属探测门应调节至适当的(),但不能低于安全设置要求。
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what are usually contained in a repair list ?
延误要多久?
A. Whis is the extent of the delay?
B. What is the extent of the departure?
C. What is the extent of the delay?
D. Whis is the extent of the delparture?
过境旅客的英文翻译是()
A. passenger in transit
B. transit passenger
C. transitmit passenger
D. passenger transition
第三类医疗器械产品由 () 审查批准后发给产品注册证书。