短褐
参考答案:
宋代所用的服饰名,指用粗布或麻布做的袖小身窄的短衣,为贫苦百姓所服。
A lot of technical problems have to be solved ______ this new type of digital camera _______its
appearance in market. [ ]
A. when; makes
B. until; will make
C. before; makes
D. after; will make
下列对精密仪器室条件叙述错误的是()。
A.具有防震、防腐蚀
B.具有防尘、防有害气体
C.温度保持在15-30℃
D.湿度在75%-85%