To change the partition type, hit "t". Want to delete a partition?
改变分区类型，按“ t ”。要删除一个分区？
T. L. for steel stud partition is higher than wood stud by 4 dB in average.
钢墙筋隔墙比木墙筋的一般要高出4分贝。
Our building products include aluminum ceiling, metal stud & track partition system, main channel & furring channel, gypsum board, suspension system , T grid system, wall angle, etc. ;
我们的建材产品包括铝天花，隔墙龙骨，石膏板，吊顶系列，T-型龙骨等；
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