问题
单项选择题
Which sequence is correct when launching a lifeboat stowed in gravity davits?（）
A.Release gripes，turn on emergency disconnect switch，release frapping lines
B.Release tricing pennants，turn on emergency disconnect switch，release frapping lines
C.Operate limit switches，release gripes，lift brake
D.Release gripes，lift brake，release tricing pennants
答案
参考答案：D