After arrived at the port, if it is necessary to lift the piston out and inspect the M-E temporarily, the chief engineer should report the situation to the(), and the operation could be performed only after having the approvement of relevant department. maritime safety administration。 ship survey bureau。 company manager。 captai。
下级对上级已设定的热点行业不得重复设定,重点行业与热点行业也不得重复设定。
Under what condition are you allowed to depart from the rules of the road(). To avoid immediate danger。 When authorized by the rig superintendent。 To comply with an operator's requirement。 Under no conditio。
CSI 101A型断路器保护由几个CPU组成?
一个市场主体可以建立多个经济户口。
下列的WWW网站中,不符合WWW网站域名规则的一个是()。