单项选择题
The （）(箱装货) should be handled by cargo tray.
A. bagged cargo B. drummed cargo C. cased cargo D. packed cargo
单项选择题 The （）(侧稳索) has gone wrong.
单项选择题 Adjust the （）(中心稳索), please.
单项选择题 The （）(笨重货) must be handled by jumbo boom or shore crane.
