问题
单项选择题
Annual inspection of vessel cranes shall be conducted by（）.
A.HAS
B.the person in charge
C.a qualified inspector
D.the crane operator
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
Annual inspection of vessel cranes shall be conducted by（）.
A.HAS
B.the person in charge
C.a qualified inspector
D.the crane operator
参考答案：C