关闭微波炉用英文怎么说?用turn off还是turn down?它们的区别又是什么?

turn down与turn off的区别 turn off turn no turn up turn down 区别用法 turn off与close down的区别 close down 和turn off的区别 close down与turn off的区别 turn down 和turn off 的含义,用法与区别 turn it off 与turn it down,的区别 turn on,turn off,turn up,turn down间的区别 turn off,turn on,turn down,turn up的用法 关电脑用turn off 还是用 close down turn down it和turn it down的区别是什么? 用什么英文词合适打开/关闭 球阀这里的打开/关闭,用open/close?turn on/off?或是其他?