gauge是什么意思(gauge valve是什么意思)
应用介绍
1、gauge valve 仪表阀 The utility model relates to a back-pressure gauge valve which is freeze proof and theft proof. 本实用新型涉及一种防冻、防盗回压表阀。
1、gauge valve 仪表阀 The utility model relates to a back-pressure gauge valve which is freeze proof and theft proof. 本实用新型涉及一种防冻、防盗回压表阀。
