單項(xiàng)選擇題

A grapnel is a（）.

A.device for securing a chain topping lift
B.hook to prevent the anchor cable from slipping
C.device used to drag for a submerged cable or line
D.type of clam bucket used for discharging bulk cargo

你可能感興趣的試題

單項(xiàng)選擇題

A deck beam does NOT（）.

A.act as a beam to support vertical deck loads
B.lessen the longitudinal stiffness of the vessel
C.act as a tie to keep the sides of the ship in place
D.act as a web to prevent plate wrinkling due to twisting action on the vessel

單項(xiàng)選擇題

（）are to be used for dunnage if you load rice.

A.wooden planks
B.rush mats
C.steel bars
D.wooden planks and rush mats

99色精品-9色在线-99色在线-99色视频 国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精

A grapnel is a（）.

你可能感興趣的試題

A deck beam does NOT（）.

（）are to be used for dunnage if you load rice.

99色精品-9色在线-99色在线-99色视频国产欧美日产一区二区三区_亚洲精品亚洲人成在线观看_四虎在线精品永久观看_免费一级a一片久久精