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

單項選擇題

（）of my ship’s propeller is very strong.

A.The running reflection
B.The turning effect
C.The moving speed
D.The changing sensibility

你可能感興趣的試題

單項選擇題

A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by（）.

A.cutting a square notch at each end of the crack
B.drilling a hole at each end of the crack
C.slot-welding the crack
D.welding a doubler over the crack

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

（）of my ship’s propeller is very strong.

你可能感興趣的試題

A crack in the deck plating of a vessel may be temporarily prevented from increasing in length by（）.

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