单项选择题
A. twist lock B. lashing bar C. bridge plate D. bridge fitting
货钩（）A. cargo chainB. cargo trayC. cargo hookD. can hook
单项选择题货钩（）
A. cargo chain B. cargo tray C. cargo hook D. can hook
顶部滑车（）A. heel blockB. head blockC. cargo blockD. lead b...
单项选择题顶部滑车（）
A. heel block B. head block C. cargo block D. lead block
吊货钢丝绳（）A. cargo wireB. winchC. greaseD. rope
单项选择题吊货钢丝绳（）
A. cargo wire B. winch C. grease D. rope
