短語詞組短語primary shield water tank 一次屏蔽水箱primary public water supply 一級公共用水primary aquacultural water supply 一級水產(chǎn)用水primary recycled water 初級再生水primary return water manifold 集水器primary cooling water 一次冷卻水primary quench water 主急冷水primary coolant water 一次冷卻水 返回 primary water