短語詞組短語gear -type metering pump 齒輪式計(jì)量泵gear type size pump 齒輪式輸漿泵gear type fuel pump 齒輪式燃料泵gear type pilot pump 齒輪式先導(dǎo)泵gear type transfer pump 齒輪式輸油泵gear type hydraulic pump 齒輪式液壓泵gear type booster pump 齒輪式增壓泵external gear type oil pump 外齧郃齒輪油泵 返回 gear type pump