短語(yǔ)詞組短語(yǔ)votex grit removal chamber 旋流沉砂池aeration grit chamber 曝氣沉砂池shallow grit chamber 淺沉砂池slot grit chamber 隙縫沉砂室horizontal flow grit chamber 平流沉砂池sewage grit chamber 污水沉砂室;污水沉沙池desilting basin grit chamber 沉沙池aerated grit chamber 曝氣沉砂池;曝氣沉沙池 返回 grit chamber