facility与facilities有什么区别?

facility便利facilities设施设备 所有关于英语设备的单词都有什么区别,如：facility appliance、facility与equipment三者的区别? facility instrument equipment 区别! carrier facility什么意思 equipment和facility的区别 facility / equipment / device 的区别 facility与equipment的不同之处 facility with language什么意思 与有什么区别 facilities和devices的区别是什么 fixture appliance facility apparatus equipment区别