[单选] Temporary Certificates of Inspection for offshore drilling units are effective until the （）.
A . Operations Manual is approved B . Minerals Management Service approval is issued C . classification society approval is issued D . permanent Certificate of Inspection is issued
战勤保障大队干粉灭火剂储备数量为1吨。
压水堆采用什么做冷却剂和慢化剂？
如何理解尊敬他人的礼仪原则？
第四代国际核能论坛推荐了哪6种第四代核电堆型？
战勤保障大队化学泡沫储备数量为1吨。
Temporary Certificates of Inspection for offshore drilling units are effective until the （）.
