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Terms for subject Drilling containing Ball | all forms | exact matches only
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angular contact ball bearing向心止推滚珠轴
ball and chain crawler球形刮管器清扫管线用
ball and dish seat type valve球座型阀
ball and roller bearing滚珠-滚柱轴承
ball and seat球形止回阀
ball and seat球形单流阀
ball and seat valve球形单流阀
ball and seat valve球形止回阀
ball and socket joint球窝铰链连接
ball and socket joint球窝节
ball and socket joint球窝连接
ball and socket reamer肘节扩眼器钻定向井用
ball and socket valve球形阀
ball bearing core barrel滚珠轴承岩心筒
ball bearing core barrel滚珠轴承悬挂内筒不转的岩心筒
ball bearings滚珠轴承
ball catch landing collar球座圈套管下部结构
ball check球形截流阀
ball check球形单向阀
ball check float collar球座单流浮箍套管下部结构
ball clack球瓣单向阀
ball cock方钻杆防溅阀
ball cock球形旋塞
ball cock球形阀
ball float collar球形单流浮箍套管下部结构
ball float shoe球座单流浮鞋套管下部结构
ball hardness布氏硬度
ball joint球窝连接
ball plug球堵
ball plug牙轮钻头滚珠入口塞销
ball relief valve球形泄压阀
ball retaining plug滚珠塞销
ball retaining plug牙轮钻头滚珠入口堵头
ball sealer球形堵塞压裂用
ball-seat球座
ball test布氏硬度试验
ball up泥包
check ball止回阀球
check ball阻流阀球
drop-ball sub投球接头
falling ball impact test落球冲击硬度测试
falling ball viscosimeter落球式黏度计
get a ball on钻头形成泥包
inner-ball race flange内层滚珠跑道盘
outer-ball race flange外层滚珠跑道盘
pressure ball压力球
roller-ball-friction滚柱-滚珠-滑动轴承
roller-ball-roller滚柱-滚珠-滚柱轴承
tripping ball蹩压投球
universal ball joint球星万向节
V-ball valveV 型球阀

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