The ship's stability relied on the heavy ballast.
船的稳定性依赖于沉重的压舱物。
They added more ballast to the train for safety.
他们为安全起见给火车增加了更多的压舱物。
The engineer calculated the amount of ballast needed.
工程师计算了所需压舱物的数量。
Without sufficient ballast, the boat could capsize easily.
没有足够的压舱物，船可能容易倾覆。
The airplane's balance required precise ballast adjustments.
飞机的平衡需要精确调整压舱物。
They used sandbags as temporary ballast on the bridge.
他们在桥上用沙袋作为临时压舱物。
The hot air balloon needed more ballast for the flight.
热气球飞行需要更多的压舱物。
The submarine adjusted its ballast to dive deeper.
潜艇调整压舱物以潜得更深。
He explained how ballast affects the ship's movement.
他解释了压舱物如何影响船的运动。
The crew checked the ballast tanks before departure.
船员在出发前检查了压舱物舱。
ballast tank 压舱舱
ballast resistor 限流电阻
ballast stone 道碴
ballast system 压舱系统
ballast weight 压舱物
ballast management 压舱管理
复数: ballasts;
