Fire protection regulations for towing vessels require that all crew members participate in drills and receive instruction at least once a month. Who is responsible for ensuring that this takes place?（） ["The Officer in Charge，Marine Inspection","The Master，or person in charge of the vessel","The vessel's owner or manager","The company's port captain or port engineer"]
Which of the following operations need to be entered on the Oil Record Book Part I? （） (1) Ballast of fuel oil tanks (2) Condition of oil discharge monitoring and control system ["（1）only","（2）only","both（1）and（2）","neither（1）nor（2）"]
什么是市政工程施工干扰费？
战勤保障大队抢险救援服储备数量为50套。
Before being certified by the American Bureau of Shipping，anchor chain must undergo（）. ["USCG inspection","a breaking test","x-ray inspection","spectroanalysi"]
战略管理的特点是什么？
