bailer的用法和样例：
例句
用作名词 (n.)
- A bailer or manual water pump is not required for any multi-hull vessel that has subdivided multiple-sealed hull construction.
水斗和水泵对于多船体或者多舱的船不是必须的！
词汇搭配
- bailer bit 杓形钻头
- bailer grab 打捞爪
- bailer dart 捞砂筒底阀
- suction bailer 吸入式砂泵
- bailer crownblock 戽斗用拱顶滑车...
- bailer bail 捞砂筒钩环
