NIHON SEIKI日本精器 BN-5B21-25 电磁阀 2路电磁阀 BN-5B21-25 纳加霍里科技（深圳）有限公司

p1Src=//y2.yzimgs.com/uploads/507498/201739-17363885.png&p2Src=//y2.yzimgs.com/uploads/507498/201739-152730339.png&p3Src=//y2.yzimgs.com/uploads/507498/201739-152739411.png