溴冷机中发生器内溴化锂稀溶液被加热产生冷剂蒸气后变为浓溶液,这一溶质质量分数变化范围是溴冷机运转的经济性指标,称为()。
参考答案:放气范围
We couldn't trust her for she is always____. Look, she ____ some eggs on the table and said
these newly- ____ eggs were her own. In fact they were her neighbor's. [ ]
A. lying; lay; laid
B. laying; lied; lain
C. lying; laid; laid
D. laying; lay; lain
加工和修理、修配劳务既属于营业税的应税劳务,又属于增值税征收范围。( )