What is meant by the term TOPPING THE BOOM
题型:单项选择题
问题:
What is meant by the term TOPPING THE BOOM?()
A.Lowering the boom
B.Raising the boom
C.Spotting the boom over the deck
D.Swinging the boom athwartships
What is meant by the term TOPPING THE BOOM?()
A.Lowering the boom
B.Raising the boom
C.Spotting the boom over the deck
D.Swinging the boom athwartships