短語詞組短語hydraulic c classification 水力分級(jí)hydraulic experiment classification 液壓試驗(yàn)分類hydraulic classification equipment 水力分級(jí)設(shè)備Hydraulic classification box 水力分級(jí)箱classification hydraulic fracturing 分級(jí)壓裂Classification of hydraulic tunnels 水工隧洞類型classification of hydraulic tunnel 水工隧洞類型Cleanliness classification for hydraulic fluids 液壓液的清潔度分類Aerospace -Cleanliness classification for hydraulic fluids 航天 返回 hydraulic classification