剪切速率越大,暂堵效果,()。A、越好 B、不影响 C、越差 D、不确定 发布时间:2017-10-11 15:24 │ 来源:www.tikuol.com 题型:单项选择题 问题: 剪切速率越大,暂堵效果,()。A、越好B、不影响C、越差D、不确定
题型:单项选择题 Tony ________ full marks, but he was so careless as to make a spelling mistake.A.could have gainedB.can have gained C.must have gainedD.must gain 查看答案