b层 meaning in English

horizon b
illuvial horizon

Northwest of b floor , lianjian building , luohu port , shenzhen
深圳?罗湖口岸联检大楼b层西北面
Through this study and according to the law by which the soil moisture content changes with the time , the soil moisture is determined as consumptive , accumulative , fade - away and stabilization periods
对于土壤渗透，一般情况下初渗和稳渗速度是林内林外空地沼泽化迹地， a层b层。