一般烘干温度为多少?
参考答案:
一般烘干溫度50℃左右,低温40℃,浆果类70一80℃为宜。
This one-hour documentary is on Golden TV _____7.30 p.m. ______ 8.30 p.m.
A.from, and
B.between, to
C.between, and
D.from, between
下述因素均可引起小细胞支气管癌,除了()
A.铬与镍蒸气
B.吸烟
C.砷
D.石棉
E.硅沉着病(原称矽肺)