I know your big ol ' rock head has something smart to say 我就知道你的石头脑袋有什么话要说
2.
Abstract : applying the rule and methods of value engineering ( ve ) in the research on rock heading machine assembly has made good benefit 文摘:应用价值工程( ve )原理和方法,对岩巷掘进机械化作业线配套进行研究,使其取得良好的经济效益。