在混悬液中作为高分子助悬剂的是()
A.吐温80
B.甘油
C.糖浆
D.甲基纤维素
E.枸橼酸钠
参考答案:D
The belief is the legendary lost continent of Atlantis may someday be found.
A.It is believed that
B.It is believing that
C.The belief that
D.That belief is
需要通水冷却的电渣焊用焊剂,可以不用烘干。