刀型闸阀（dwg格式3张英文图纸） Stainless Steel Lined Metal Seated Knife Gate Valve 61B-60Vport.dwg(155.29KB)，Stainless Steel Lined Metal Seated Knife Gate Valve 62B_3-24.dwg(154.31KB)，Stainless Steel Lined Metal Seated Knife Gate Valve 65B_6_Act.dwg(466.7KB)