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预览 [标准] 压力泥浆帽钻井技术.pdf attachment jodie 2015-3-19 01745 jodie 2015-3-19 08:58
预览 [标准] 止回阀图纸 attachment aurthur 2015-3-17 01644 aurthur 2015-3-17 15:46
预览 [标准] 阀门零部件 填料压盖材料 attach_img jodie 2015-2-2 02032 jodie 2015-2-2 09:18
预览 [标准] 阀门零部件 填料压套(C型)尺寸 attach_img jodie 2015-1-29 02151 jodie 2015-1-29 08:45
预览 [标准] 阀门零部件 填料压套(B型)尺寸 attach_img jodie 2015-1-28 02404 jodie 2015-1-28 08:50
预览 [标准] 阀门零部件 填料压套(A型)尺寸 attach_img jodie 2015-1-27 02148 jodie 2015-1-27 08:49
预览 [标准] 阀门零部件 填料压盖的尺寸 attach_img jodie 2015-1-26 02228 jodie 2015-1-26 09:11
预览 [标准] 角座阀的工作原理、技术参数及选型 jodie 2015-1-23 02293 jodie 2015-1-23 08:38
预览 [标准] 气动陶瓷球阀特点及技术参数 jodie 2015-1-22 01581 jodie 2015-1-22 08:38
预览 [标准] 阀门零部件 E型阀杆螺母的尺寸 attach_img jodie 2015-1-21 01802 jodie 2015-1-21 08:44
预览 [标准] 阀门零部件 D型阀杆螺母的尺寸 attach_img jodie 2015-1-20 01842 jodie 2015-1-20 08:41
预览 [标准] 阀门零部件 C型阀杆螺母的尺寸 attach_img jodie 2015-1-19 01778 jodie 2015-1-19 09:45
预览 [标准] 阀门零部件 A型阀杆螺母的尺寸 attach_img jodie 2015-1-16 02647 jodie 2015-1-16 08:42
预览 [标准] 密封件安装应注意的事项 jodie 2015-1-15 01919 jodie 2015-1-15 08:39
预览 [标准] 阀门零部件 隔环材料 attach_img jodie 2015-1-14 02343 jodie 2015-1-14 08:41
预览 [标准] 阀门零部件 隔环的尺寸 attach_img jodie 2015-1-13 01740 jodie 2015-1-13 09:12
预览 [标准] 阀门零部件 盲板尺寸 attach_img jodie 2015-1-12 02085 jodie 2015-1-12 09:59
预览 [标准] 化工部法兰标准 阀门化工部标准 jodie 2015-1-4 13808 aurthur 2015-1-7 15:34
预览 [标准] 阀门零部件 螺纹法兰的材料 attach_img jodie 2015-1-7 01875 jodie 2015-1-7 08:43
预览 [标准] 阀门零部件 螺纹法兰尺寸 attach_img jodie 2015-1-6 01801 jodie 2015-1-6 08:38
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