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预览 [标准] 压力泥浆帽钻井技术.pdf attachment jodie 2015-3-19 01722 jodie 2015-3-19 08:58
预览 [标准] 止回阀图纸 attachment aurthur 2015-3-17 01626 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 02000 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 02116 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 02384 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 02124 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 02203 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 02267 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 01558 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 01781 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 01819 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 01754 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 02621 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 01897 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 02322 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 01723 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 02068 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 13759 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 01856 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 01782 jodie 2015-1-6 08:38
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