15932199253
联系人：焦经理 18603192599 邢经理 15932199253电话：0319-4851900传真：0319-4851800邮编：055650邮箱：15932199253@163.com
铸铁闸门的螺杆属于细长杆件，螺杆直径过小、闸门闭门力较大、螺杆支撑间距较大等因素都可能导致螺杆因压弯而失去稳定性。
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