3GB6P223,3GB6P225,3GB6P228,3GB6P233,3GB6P238,3GB6P244,3GB6P252,高压齿轮泵 3GB6P223,3GB6P225,3GB6P228,3GB6P233,3GB6P238,3GB6P 无锡市昌林自动化科技有限公司