同义词
1)not to be taken as a precedent;not to be repeated,下不为例2)longevity,当下不朽3)take out of service,取下不用4)non-smooth diarrhea,泻下不爽5)Downhole unclean circumstance,井下不清洁6)Undispersing under water,水下不分散7)subsurface unconformity,地下不整合8)hydrodialeima,水下不整合9)acaptosis,咽下不能症10)underwater anti-washout flocculating agent,水下不分散剂