石油英语词汇
球形安全阀 ball relief valve塞销 ball retaining plug球形安全阀 ball safety valve封堵球 ball sealer球封 ball sealing球节 ball section循环钢球式 ball srew type钢球试验 ball test滚珠止推轴承 ball thrust bearing地面控制的球型安全阀 ball type surface controlled safety valve油管球形安全阀 ball type tubing safety valve球阀 ball valve球阀取样器 ball valve sample chamber球式粘度计 ball viscometer球形刮刀 ball-and-chain crawler球及球座型阀 ball-and-dish seat type valve枕状构造 ball-and-pillow structure 球-滚珠-滚柱轴承 ball-and-roller bearing单流阀 ball-and-seat球窝轴承 ball-and-socket bearing球窝接头；球形铰链连接 ball-and-socket joint球形阀 ball-and-socket valve孔标定装置 ball-bore calibration device 球-锁紧球指针 ball-locking finger投球封堵 ball-off语际翻译 版权所有
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