变速器出现齿轮磨损变形、轴承损坏、轴套、轴承孔等磨损,超限者达()以上时,总成应大修 发布时间:2017-06-21 07:56 │ 来源:www.tikuol.com 题型:单项选择题 问题: 变速器出现齿轮磨损变形、轴承损坏、轴套、轴承孔等磨损,超限者达()以上时,总成应大修。A、20%B、30%C、45%D、50%
题型:单项选择题 ---- It is generally believed that teaching is __________it is a science.A.an art much asB.much as an art as C.as an art much asD.as much an art as 查看答案