衬纬组织是在纬编基本、变化或花色组织的基础上,沿()衬入一个辅助纱线形成的组织。
A.经向
B.纬向
C.横向
D.纵向
参考答案:B
喷射混凝土的冬期施工应符合哪些规定?
The author of the report is well _____ with the problems in the hospital because he has been working there for many years.
A.acquainted
B.informed
C.known
D.advised