单项选择题
What is the primary disadvantage of a permanent chain chaser system?（）
A.It requires anchor handling boats with more horsepower B.Chain chasers work in shallow water only C.Chain chasers will not work with piggyback anchors D.It takes longer to deploy anchors using chain chasers
单项选择题 What is the main reason to slush a wire rope?（）
单项选择题 What is the best guide for determining the proper scope of anchor chain to use for anchoring in normal conditions?（）
单项选择题 What is NOT suitable for use in making up the towing rig for a heavy，long ocean tow?（）
