短語詞組短語sludge tank scraper 污泥池刮泥板sludge sump scraper 泥漿坑刮片sludge e scraper 刮泥器aspiration sludge scraper 吸刮泥機(jī)oil and sludge scraper 刮油刮渣機(jī)rotating sludge scraper 旋轉(zhuǎn)刮泥機(jī)sludge scraper west bank 污泥括集機(jī)quadrate -shaped sludge scraper 正方形刮泥機(jī)traction half -bridge sludge scraper 周邊傳動輻流式吸泥機(jī) 返回 sludge scraper