Temporary Certificates of Inspection for offshore drilling units are effective until the （）. ["Operations Manual is approved","Minerals Management Service approval is issued","classification society approval is issued","permanent Certificate of Inspection is issued"]
简述毛细线虫病的防治方法。
第四代国际核能论坛推荐了哪6种第四代核电堆型？
Topping wires fix the height of the derricks and （） to the deck may be used to prevent fore and aft movement. ["stays","winches","barrels","brake"]
战勤保障大队A类泡沫储备数量为10吨。
简述对企业核心能力进行管理一般包括哪几项工作。
