TQC是()的英文缩写。
参考答案:全面质量管理
We should make full use of whatever happens to us.There is always____ to learn from every experience.
A.nothing
B.anything
C.something
D.everything
既能改善混凝土拌和物流变性能,又能改善混凝土耐久性的外加剂是( )。
A.引气剂
B.泵送剂
C.减水剂
D.着色剂