支持;衬垫物 backing
底焊焊道 backing pass
衬板 backing plank
托板 backing plate
旋转油泵 backing pump
后备寄存器 backing register
倒航阻力 backing resistance
垫环 backing ring
背面焊接 backing run
条状垫板 backing strip
用垫环的焊缝 backing weld
防松螺钉 backing-up screw
底焊焊道 backing pass
衬板 backing plank
托板 backing plate
旋转油泵 backing pump
后备寄存器 backing register
倒航阻力 backing resistance
垫环 backing ring
背面焊接 backing run
条状垫板 backing strip
用垫环的焊缝 backing weld
防松螺钉 backing-up screw
平行解理走向节理面 backjoint
轮齿隙;齿隙游移 backlash
消隙弹簧 backlash spring
后腿 back-leg
缓翼 backlimb
缓翼冲断层 backlimb thrust
储备;积压的工作 backlog
后备工作量 back-log workload
返混 back-mixing
倒开 back-off
松开装置 back-off assembly
倒扣短节 back-off joint
倒扣作业 back-off operation
倒开步骤 back-off procedure
钻具解卡炮弹 backoff string shot
旋松;退火;取消;拧出 back-out
支撑式封隔器 back-packer
背节距 backpitch
背面板 backplate
回压调节器 back-pressure regulator
气井产能测试 backpressure test
回压阀 back-pressure valve
幕后投影 backproject
反向投射 backprojection
向后投射算法 backprojection algorithm
后投影算子 backprojection operator
反向传播 backpropagation
向后传播算法 backpropagation algorithm
反输 backpumping
反冲洗系统 back-purge system