submerge pre–fermentation
submerge membrane bioreactor SMBR
submerge anaerobic membrane bioreactor
Submerge
埋
淹没
浸没
发酵
深层
水下
膜
淹没状态
湮没
沉
泯
掩没
浸在水中
淹
沉水
泅
pulse submerge arc welding
poleboard submerge arc pressure welding
digital submerge arc welding