┌─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┬─┐
│节┆开┆纹┆，┆轮┆也┆升┆式┆线┆瓣┆封┆闭┆闸┆科│
│和┆和┆管┆螺┆与┆有┆降┆，┆运┆沿┆面┆件┆阀┆瑞│
│节┆全┆截┆母┆阀┆升┆，┆有┆动┆流┆呈┆是┆：┆Ｋ│
│流┆关┆止┆设┆杆┆降┆手┆升┆。┆体┆平┆塞┆　┆Ｅ│
│。┆，┆阀┆在┆一┆旋┆轮┆降┆阀┆的┆面┆形┆高┆Ｒ│
│　┆不┆只┆阀┆起┆转┆不┆杆┆杆┆中┆或┆的┆压┆阀│
│　┆允┆适┆体┆旋┆杆┆升┆式┆的┆心┆锥┆阀┆闸┆门│
│　┆许┆用┆上┆转┆式┆降┆（┆运┆线┆面┆瓣┆阀┆、│
│　┆作┆于┆）┆升┆（┆）┆阀┆动┆作┆，┆，┆的┆高│
│　┆调┆全┆。┆降┆手┆，┆杆┆形┆直┆阀┆密┆启┆压│
└─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┴─┘