关于KCB的百科

• KCB造句怎么写

• KCBgearpumparemainlygear,shaft,pumpbody,valve,shaftendseal.KCB-300~960typepumpadoptsmechanicaldevice,bearingthesinglecuttotheheartballbearings.KCB-300~960型泵采用机械密约装置，轴承采用单列向心球轴承。...
• 2018-11-2228067