a floor life level PS：这个短语是出现在电子产品包装的文件上，if there is a floor life level of the IC package according to IPC/JEDEC J-STD-033A.

a floor life level PS：这个短语是出现在电子产品包装的文件上，if there is a floor life level of the IC package according to IPC/JEDEC J-STD-033A. 请问floor you can dust surfaces above floor level using a soft cloth. floor和level的区别 life time level是什么意思? In British English,the floor of a building at street level is the floor ground level storey的区别 A level level 表示楼的意思和floor 一样? yes to life ,Not to drugs,the fifth floor Room 5A的中文意思 A-level和O-level是什么? A-Level物理问题 a level是什么 什么是A-Level? a level是什么 a level是什么 Tony lives[ ] the 16th floor but he never uses a life to go [ ]and [ ]. 填介词或Tony lives[ ] the 16th floor but he never uses a life to go [ ]and [ ]. 填介词或副词 Must i ___the life up to the fifty floor.A.get B.take C.have D.make a raised floor是什么意思