CF20型干粉消防车干粉枪的发射强度为()。(A)4kg/s (B)5kg/s 发布时间:2017-06-24 03:44 │ 来源:www.tikuol.com 题型:单项选择题 问题: CF20型干粉消防车干粉枪的发射强度为()。(A)4kg/s (B)5kg/s (C)6g/s (D)7g/s
题型:单项选择题 连词成句。1. cards play you can (?) 2. in mud he fell the (.) 3. can bird a fly (.) 4. can what fly else (?) 5. many on the there are farm pigs (.) 查看答案