单项选择题
A.detection，defects B.defection，defects C.defects，defection D.defects，detection
To reduce the number of strakes at the bow，two strakes ...
单项选择题To reduce the number of strakes at the bow，two strakes are tapered and joined at their ends by a single plate. This plate is known as a（）.
A.cover plate B.joiner C.lap strake D.stealer plate
Those ship’s tanks that are particularly important for ...
单项选择题Those ship’s tanks that are particularly important for trimming the ship are the（）.
A.domestics B.settlers C.deeps D.peaks
The words PIPE，BUTT，TUN AND PUNCHEON all refer to（）.A.t...
单项选择题The words PIPE，BUTT，TUN AND PUNCHEON all refer to（）.
A.the sizes of casks B.various lengths of timber C.structural shapes used in construction D.viscosities of liquid cargoes
