圆桶圆锥形重介旋流器溢料口直径约为()D。 ["0.1~0.2","0.2~0.3","0.3~0.4","0.4~0.5"]
身份权包括()。 ["姓名权","誉权","肖像权","荣誉权"]
天然气脱水多用()分子筛。 ["A、4A与5A","B、3A","C、10X","D、13X"]
圆桶圆锥形重介旋流器入料口直径约为()D。 ["0.1~0.2","0.2~0.3","0.3~0.4","0.4~0.5"]
某厂有一台额定容量为5000kVA的电力变压器,其空载损耗为6.75kW,短路损耗为36.7kW,阻抗电压为7%,空载电流百分率为0.9%,变压器负载率为73%。计算其功率损耗。该变压器无功漏磁损耗为()。 ["A.33.5kvar","45kvar","350kvar","450kvar"]
海中的海鳗和七鳃鳗、盲鳗是一类动物吗?