main level meaning in English

之平
之上的主级
主水平

Please use the elevators for direct access to the main level concourse
请坐电梯进入一楼大厅
How many main levels of positions are there at your company
在你们公司里有多少主要的职位级别？
The main level of a mine
主坑道矿井的主要位置
60 suite main levels
$ 60 (厢房层及主层看台
What level is your job with in the company ? how many main levels of positions are there at your company
你在公司是什么级别的？在你们公司里有多少主要的职位级别？

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