parallel gate valveparallel slide
... 02 平行式闸阀 Parallel gate valveparallel slide 04 升降杆式闸阀 Outside screw stem rising through 05 旋转杆式闸阀 Inside screw nonrising stem type ...
基于1个网页-相关网页
parallel gate valveparallel slide
平行闸阀平行滑块
以上为机器翻译结果,长、整句建议使用 人工翻译 。