当砂颗粒级配不符合JTJ268-96规范要求时,应采取相应措施,经试验证明确能保证工程质量,方允许使用。()
参考答案:对
— Whose guitar is this?
— It ______ Alice. She plays the guitar. [ ]
A. might be
B. must be
C. can belong
D. might belong to
湿颗粒常采用的干燥方法是
A.喷雾干燥
B.鼓式干燥
C.烘干干燥
D.冷冻干燥
E.微波干燥