闸阀构造
![电动平行闸阀构造特点](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=16779049,1349504388&fm=253&fmt=auto&app=138&f=JPEG?w=730&h=489)
电动平行闸阀构造特点
图片尺寸730x489![pz73h 刀型薄型闸阀](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3346687067,3657373921&fm=253&fmt=auto&app=138&f=JPEG?w=657&h=416)
pz73h 刀型薄型闸阀
图片尺寸657x416![闸阀的用途及种类和结构](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=3047428207,1186438114&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=1039)
闸阀的用途及种类和结构
图片尺寸700x1455![闸阀结构图](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=3884448691,1246575259&fm=253&fmt=auto&app=138&f=JPEG?w=471&h=316)
闸阀结构图
图片尺寸496x333![闸阀结构图](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=606690267,2090026454&fm=253&fmt=auto&app=138&f=JPEG?w=477&h=500)
闸阀结构图
图片尺寸550x577![闸阀结构图](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3617609346,941430498&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=591)
闸阀结构图
图片尺寸550x650![npt承插焊高温高压闸阀设计规范](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3478155190,1617182765&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=365)
npt承插焊高温高压闸阀设计规范
图片尺寸2264x1653![明杆闸阀知识说明](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=4181466577,232827724&fm=253&fmt=auto&app=138&f=JPEG?w=404&h=461)
明杆闸阀知识说明
图片尺寸404x461![闸阀结构解剖图](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3087891176,3633316020&fm=253&fmt=auto&app=138&f=JPEG?w=513&h=500)
闸阀结构解剖图
图片尺寸580x565![闸阀的结构特点](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=2592433083,1401166214&fm=253&fmt=auto&app=138&f=JPG?w=500&h=422)
闸阀的结构特点
图片尺寸801x676![闸阀结构图以及特点](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=4246878352,1279910070&fm=253&fmt=auto&app=120&f=JPEG?w=474&h=328)
闸阀结构图以及特点
图片尺寸500x346![z43h,z43y,z43f平板闸阀](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=2568578979,439046480&fm=253&fmt=auto&app=138&f=JPG?w=312&h=399)
z43h,z43y,z43f平板闸阀
图片尺寸312x399![闸阀结构图](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=3447336256,3561868208&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=545)
闸阀结构图
图片尺寸550x600![高温高压锻件闸阀](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=1149706795,2795446535&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=714)
高温高压锻件闸阀
图片尺寸1594x2277![cn2178278y_油气井口防盗闸阀失效](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=1935841849,1330657865&fm=253&fmt=auto&app=138&f=GIF?w=500&h=585)
cn2178278y_油气井口防盗闸阀失效
图片尺寸1696x1984![z41x-10/16/25q弹性座封明杆闸阀](https://i.ecywang.com/upload/1/img2.baidu.com/it/u=729233167,2977123846&fm=253&fmt=auto&app=138&f=JPG?w=489&h=403)
z41x-10/16/25q弹性座封明杆闸阀
图片尺寸489x403![z941h-40 电动闸阀结构图](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=1214286555,2814076641&fm=253&fmt=auto&app=138&f=JPEG?w=707&h=500)
z941h-40 电动闸阀结构图
图片尺寸820x580![闸阀结构图](https://i.ecywang.com/upload/1/img1.baidu.com/it/u=1157278912,3365296121&fm=253&fmt=auto&app=138&f=JPEG?w=476&h=500)
闸阀结构图
图片尺寸550x578![闸阀构造示意图](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=1942264514,552225293&fm=253&fmt=auto&app=138&f=JPEG?w=450&h=551)
闸阀构造示意图
图片尺寸450x551![厂家供应z45x软密封暗杆闸阀弹性座封闸阀球墨铸铁法兰闸阀](https://i.ecywang.com/upload/1/img0.baidu.com/it/u=2240297339,3334515548&fm=253&fmt=auto&app=138&f=JPEG?w=500&h=500)
厂家供应z45x软密封暗杆闸阀弹性座封闸阀球墨铸铁法兰闸阀
图片尺寸1920x1920