低温双边发酵的优点.
滑移和切割钢丝绳时、入井的钻头必须在()。
MTU12V183TA12型柴油机进排气门间隙是()。 ["0.30mm,0.35mm","0.36mm,0.69mm","0.40mm,0.60m","0.30mm,0.45mm"]
康明斯KTA-l9G2型柴油机每升冷却水中一般应含()单位DCA。 ["0.3~0.8单位","0.1~0.3单位","0.8~1.0单位","1~2单位"]
在发电车整修标准中,要求电力连接线座插孔相间、线间绝缘电阻不小于()。 ["0.2MΩ","2MΩ","5MΩ","10MΩ"]
大曲酒、小曲酒、麸曲白酒定义及特点.