单项选择题
The normal tendency for a loaded tanker is to（）.
A.hog B.sag C.have a permanent list D.be very tender
单项选择题 The maximum theoretical stress that can be developed on a guy in a yard and stay rig is limited by the（）.
单项选择题 The load chart of a crane enables the operator to combine the load radius with boom length to determine the（）.
单项选择题 The garboard strake is the（）.
