电梯使用单位的安全技术档案包含哪些内容,如何进行管理?
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特殊情况经车站同意,进站人员可不买站台票。()
A. 正确
B. 错误
风筒过风门时,要加接()通过风门,不得用()直接过风门。
In the voyage, duty officer should inform () situation to the duty engineer immediately.
A. in/ut port
B. passing through big bridge
C. big steering angle for direction changing
D. in/out port and passing through big bridge