committed facility是什么?

committed facility是什么? committed credit facility 请求权威解答,多谢! 请问staging facility是什么? be committed to是什么短语 facility,device,tool,equipment的区别是什么? instrument 和facility 只见的差别是什么啊 Credit facility duty facility facility是什么意思 Depart Facility 显示Processed Through Sort Facility已经保持4天了,是什么情况? committed cost 请举例说明,