n.壓艙材料(道渣材料)

Pig iron used as permanent ballast. 壓載鐵做為永久性壓艙物的生鐵

The ship was furnished with ballast. 船上裝了壓艙物。

The ballast placed in the ship can keep the ship steady. 放在船上的壓艙物可以保持船的平穩(wěn)。

The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使氣球飛得更高。

Not stabilized or properly stabilized by ballast. 不穩(wěn)定的未用壓艙物穩(wěn)住的