bucket dredge [= bucket dredger  戽斗挖泥船; 联斗式挖泥船

valve seat body seat  阀座

a drop in the bucket  九牛一毛; 沧海一粟

ABC bucket  ABC吊桶

Adjuster GP-bucket  铲斗调节器总成

aeration bucket  掺气坎

aluminum bucket with cover  有盖铝水桶

Application Design of Bucket  应用罐体设计

apron bucket  闸门铲斗

Ash Bucket  灰仓; 灰斗; 灰桶

automatic double bucket-wheel ship unloading machine  自动双斗轮船边卸货机

backfilling bucket  斗式回填机

backhoe bucket  反铲斗; 正交发射分集

back-hoe bucket  反铲斗

backhoe bucket control valve  反铲斗控制阀

backhoe bucket cycle time  O2+离子束轰击; 反铲斗循环时间

backhoe bucket cylinder  反铲斗油缸

backhoe bucket cylinder drift  反铲斗油缸沉降

backhoe bucket position  反铲斗位置