【化】 foaming agent for drainage of natural gas
【化】 gas well
bubble; foam; froth; scum; spume; suds
【化】 foam; froth
【医】 foam; froth; scum
catchment; drain; drainage
【医】 drain; drainage
apply; expenses; use
【医】 c.; cum; Utend.
【化】 foam beater; foamer; foaming agent