某土石方工程,发生了施工质量事故,事故直接经济损失8万元,属于()。
A.一般质量事故
B.较大质量事故
C.质量缺陷
D.重大质量事故
参考答案:C
For most French people, friendship is a one-to-one relationship that demands a keen awareness of the other person's intellect, temperament and particular interest.
A.expulsion
B.disposition
C.precision
D.aversion
木材干燥用于增湿的有哪几种?