存放焊条的仓库应该保持通风、干燥,相对湿度应()。A、≤60% B、≤70% C、≤ 发布时间:2017-07-06 22:44 │ 来源:www.tikuol.com 题型:单项选择题 问题: 存放焊条的仓库应该保持通风、干燥,相对湿度应()。A、≤60%B、≤70%C、≤80%D、≤90%
题型:单项选择题 --- What are you busy with? ---The exhibition ____ in the city next week.A.heldB.will be heldC.to be held D.being held 查看答案