Welded construction of all these boats gives them very high strength of the hull.
焊接结构的所有这类型船有着高强度的船体。
Importing liquid oxygen into liquid-oxygen pot fixed in cabin, or transpiring it from liquid-oxygen pot to outboard, is realized by an especial equipment welded on hull.
向安装于船舱中的液氧罐灌注液氧，或者将液氧罐中的液氧输向舷外，都是通过焊接于船体上的一个专门装置引出的。
The boat is built of steel hull, aluminum - welded deckhouse, round bilge, transom stern, single continuous deck, longitudinal framing, four engines, four rudders and diesel engine driven.
本艇为钢质主船体，铝质焊接甲板室，圆舭方艉单层连续甲板纵骨架式四机四桨四舵柴油机推进巡逻艇。
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