燃气和电重型烹调炉的标准规范: standard specification for heavy-duty ranges gas and electric
经过: 1.(从某处过) pass; go through; go by 短语和例子这汽车经过北海公园吗? does the bus pass the beihai park? 她从这儿经过时没有一次不停下来问候一番。 she never passes without stopping to say hello.2.(通过) as a result of; after; throu
