dual cylinder mortar pump双: two; twin; both; dual缸: jar; jug; vat; crock灰浆泵: slurry pump灰浆泵: ash handling pump; ash pump; ash slurry pump; mortar pump双缸泥浆泵: double cylinder slipump; doublecylindersli ump下载手机词典可随时随地查词查翻译