单项选择题
A.American Petroleum Institute
B.National Standard Fire hose Coupling
C.American Society of Mechanical Engineers
D.Underwriter's Laboratories，Inc
单项选择题 Each EPIRB required on an OSV shall be tested using the integrated test circuit and output indicator every（）.
单项选择题 Each EPIRB required on a ship shall be stowed in a manner which will permit（）.
单项选择题 Each drilling unit equipped with helicopter fuel storage tanks must have the tanks installed as far as practicable from the（）.