英语词汇ballasting system简单造句、意思、用法及例句-英语例句辞典

单词	ballasting system
例句	原声例句航海英语听力 53.the location of discharge valve operating handle for ballast system is incorrect. Valve shaft to be of upwards for convenience. 压载系统排放阀操纵杆位置不对，阀杆应向上以便操作。 VOA Standard 2013年3月合集 The airship has a rigid structure made of carbon fiber and aluminum, rotating propellers for takeoff and landing, and a ballast system that compresses helium to control the lift. 飞艇具有的坚硬结构由碳纤维和铝组成，旋转螺旋桨用于起飞和着陆, 而一个压载系统则压缩氦来控制升降。
随便看	laid himself open to laid his hands on laid hold on laid in laid in ashes laid into laid it on laid it on the line laid it on thick laid it on with a trowel laid it out laid low laid lower laid my cards on the table laid my hands on laid myself open to laid myself out laid off laid on laid one on laid on the table laid open laid our cards on the table laid our hands on laid out

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