superstructure n. (對下層基礎而言的)上部建筑 (opp. substructure), (船舶的)上部構造,(對經(jīng)濟基礎而言的)上層建筑。 the reaction of the superstructure on the economic base 上層建筑對于經(jīng)濟基礎的反作用。 adj. -tural
This vessel is a steel shallow draft flushing dredger of all - welded construction , with single deck , single bottom , transverse framing , transom stern and continuous superstructure , and sledge - shape bow . it is operating on the huanghe river for flushing and suctioning silt and sand with the purpose of controlling the huanghe river tongguan section , dredging the waterway and reducing the flooding . main engine : nt855 - m270 本船為鋼質(zhì)全焊接結構淺吃水內(nèi)河自航?jīng)_砂清淤工作船,具單甲板其中艉舵機艙首甲板為升高甲板,單底,橫骨架式結構,方艉及連續(xù)上層建筑首部采用雪橇式線型。