词汇	春頭
释义	春頭 chūn tóu春初。春头
随便看	separately excited phase advancer separately-excited phase advancer separately excite generator separately exited DC motor separate layer separate layer fluid production rate separate layer fracturing separate-layer fracturing separate layer injected water separate layer injection separate layer quantitative oil production separate-layer sand control separate layer water injection separate layer water injeetion separate-layer water shutoff separate-layer water shut off separate layout separate lead-sheathed cable separate-lead-type cable separate legal branch separate legal entity separate legislation separate lens Separate Levels Teaching Separate Liability System