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Terms for subject Oil / petroleum containing back-up | all forms | exact matches only | in specified order only
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back up固咬定
back up chain tongs咬定链钳
back up information后备信息
back up plate推靠板
back up trace测井曲线记录备用道
back-up control manifold辅助控制管汇
back-up corner后备位置
back-up curve辅助曲线
back-up fuel辅助燃料
back-up fuel备用燃料
back-up galvanometer辅助检流计
back-up generator备用发电机
back-up surveillance辅助监督
back-up system后援系统
back-up tong背钳
back-up tongs固定大钳
interlocked back-up ring联锁支撑环
metal back-up thimble金属座圈
slip back-up卡瓦支撑