单项选择题

一般________要求不高的船舶,如内河船舶、沿海小型客货船,多采用横骨架式结构.
Generally, ships with________, such as inland ships and coastal small passenger and cargo ships, mostly adopt transverse framing.

A.横向强度 transverse strength
B.垂向强度 Vertical strength
C.总纵强度 longitudinal strength
D.船底强度 Bottom strength
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