2019年5月8日
Parker Gear Pump - Gear Pump Seal Is More O-Ring: Role
摘要： Parker Gear Pump introduction Gear pump lip seal is mainly used in reciprocating dynamic seals. Compared with extruded seals such as 0-shaped seals, r 阅读全文
posted @ 2019-05-08 13:50 Aggisxjetl 阅读(227) 评论(0) 推荐(0) 编辑