bailed sample捞出的砂样
bailed sand sample捞出砂样
bailed sand捞出砂
bailee受托人
bailer bail捞砂筒上的提环
bailer conductor捞砂筒
bailer crown-block捞砂天车
bailer dart捞砂筒下部的活门
bailer dump捞砂筒的倒砂门;用筒装物体倒入井内;捞砂筒捞出物
bailer grab捞砂筒的捞钩
bailer line捞砂绳
bailer method of cementing用捞砂筒注水泥
bailer method捞砂法
bailer sample捞砂筒中砂样
bailer valve捞砂筒阀
bailer抽泥筒
Bailey meter贝利流量计
bailing block提捞滑车
bailing bucket捞砂筒
bailing drum捞砂滚筒
bailing line捞砂绳
bailing machine捞砂机
bailing reel捞砂滚筒
bailing rope捞砂绳
bailing tub捞砂桶