ballast-roller
基本解釋
- 道碴碾壓機(jī)
英漢例句
- 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 ride on the roller coaster dizzied us.
乘坐云霄飛車使我們頭暈。 - May I borrow your roller skates?
我可以借你的旱冰鞋嗎？ - 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)。