關於KCB的百科

• KCB造句怎麼寫

• KCBgearpumparemainlygear,shaft,pumpbody,valve,shaftendseal.KCB-300~960typepumpadoptsmechanicaldevice,bearingthesinglecuttotheheartballbearings.KCB-300~960型泵採用機械密約裝置，軸承採用單列向心球軸承。...
• 2018-11-2228067