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Terms for subject Drilling containing 定时 | all forms | in specified order only
ChineseEnglish
内装定时internal timer
定向时弯接头突然转向flopover
定向时弯接头突然转向flip-flop
瞬时产生的不稳定电流electrical transient
自动定时self-timing
阀门定时装置valve timing gear