词汇	annular area
释义	annular area 环形区域
随便看	precipitation differences precipitation discharge precipitation discharge of electrostatic precipitation-dissolution equilibrium precipitation distribution precipitation distribution in rainy season precipitation distribution pattern precipitation drag precipitation duration Precipitation during flood period precipitation during growing season precipitation during Meiyu period precipitation during wet season precipitation duty precipitation echo precipitation effect precipitation effectiveness precipitation effectiveness index precipitation effectiveness ratio precipitation-effectiveness ratio precipitation efficiency precipitation electricity precipitation, electrochemical precipitation electron precipitation, electrostatic