浅议门座式起重机安全使用问题 - xzbu.com 中国论文网 关键字：门座式起重机；安全使用；起重机械 [gap=449]Keyword: portal crane; Safety use; Hoisting machinery
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construction hoisting machinery product 建筑起重机械产品
JIANGXI HOISTING MACHINERY GENERAL FACTORY 江西起重机械总厂
port hoisting machinery 港口起重机械
Building hoisting machinery 建筑起重机械
metallurgy hoisting machinery 冶金起重机械
The ships deck hoisting machinery such as bow gate, bulkhead valve, stern propeller and so on;
船舶用的甲板起重机械（绞车）、船头门、舱壁阀、船尾推进器等；
The hoisting machinery is one kind of important loader, simultaneously is also the risky very high mechanical device.
起重机械是一种重要的搬运设备，同时也是危险性很高的机械设备。
Toyo light and small electric hoist is a kind of hoisting machinery, it is lifting slowly, the body weight, high hardness, the parts wear small features.
日本东洋电动葫芦是一种轻小起重机械，它具有起吊速度慢，机体质量轻，机件硬度高，磨损小的特点。
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