2W160-10Z防爆膜片电磁阀2W160-15Z防爆膜片电磁阀2W200-20Z防爆膜片电磁阀2W250-25Z防爆膜片电磁阀2W350-35Z防爆膜片电磁阀2W400-40Z防爆膜片电磁阀)