日韩欧美亚洲 _ 欧美亚洲一区 _ 日本亚洲欧美 _ 亚洲精品欧美国产白袜脚足J棉袜在线观看_亚洲熟妇av一区二区三区_久久天天躁狠狠躁夜_精品众筹模特私拍在线

單項選擇題

Before opening and closing the hatches, the spaces around the covers, all the parts and the gears should be （）.

A.cleared
B.checked
C.removed
D.repaired

你可能感興趣的試題

單項選擇題

The foreman said three （）would come on board to load cargo.

A.teams
B.parties
C.gangs
D.pairs

單項選擇題

The wire ropes and blocks, or pulleys, on a ship are called （）.

A.fittings
B.riggings
C.equipment
D.device