定量仪 quantometer
坑砂 quarry sand
石英管 quartz tube
多石英砂 quartzose sand
似块状石墨 quasi-flake graphite
四元合金 quaternary alloy
淬火裂痕 quench crack
淬火能力(淬火液) quenching intensity
淬火时间 quenching time
调质处理 quenching with Subsequent tempering
速成展性铸铁 quick malleable iron
快换圈(感应器) quick replaceable loop
坑砂 quarry sand
石英管 quartz tube
多石英砂 quartzose sand
似块状石墨 quasi-flake graphite
四元合金 quaternary alloy
淬火裂痕 quench crack
淬火能力(淬火液) quenching intensity
淬火时间 quenching time
调质处理 quenching with Subsequent tempering
速成展性铸铁 quick malleable iron
快换圈(感应器) quick replaceable loop
静浇铸,倾转浇铸 quiescent pouring
五倍周波感应电炉 quintuple frequency induction furance
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