英语词典石油英语

lowering with hand brake

lowering with hand brake

翻译:用手刹车下放钻具

同义词

1)lowering with hand brake,用手刹车下放钻具2)feed off,下放钻具3)the brake of drawworks,钻机刹车4)slack-off weight,下放时钻具重量5)brake lug,刹车手柄6)brake crank,刹车把手

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