main ballast tank 主压载舱 ; 主压载舱主压载水舱 ; 主压载水舱
main ballast kingston 主压载水舱通海阀 ; 主压载水通海阀
main ballast vent 主压载舱排气阀
main ballast flood valve 主压载水舱泛水阀
wrap around main ballast tank 环形主压载水舱
main ballast tank floood valve 主压载水舱通海阀
main ballast tank blowing system 主压载舱吹除系统
main ballast flood valve recess 主压载舱通海阀龛
main ballast Kingsto 主压载水通海阀
Emptying the main ballast tank by compressed air is one of the important control measures for underwater dynamic anti-sinking.
高压气吹除主压载水舱是潜艇水下动力抗沉的重要操纵手段之一。
The elastic rigidity of rail pad and ballast stiffness of rail and clamping force of fastener are the main factors that cause the widening of gauge.
钢轨垫层和道床的刚度、轨刚度和扣件扣压力是影响轮轨之间作用力和轨距扩大的主要因素。
Ballast water is the main invasion way of alien aquatic organisms. The complex effects caused by the aquatic organisms via ballast water have attracted world wide attention.
外来海洋生物主要是通过船舶压载水入侵，造成的影响极其复杂，已经引起了世界各国的广泛关注。
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