起重机符号国际标准将使起重机和司机更安全一些机械经常采用非常符合它们特点的兽类或鸟类的名字：起重（ｃｒａｎｅ─—鹤）是对提升机械的动作的完美描述，与鹤这种涉禽的动作是相一致的。但起重机还有其他形式，并具有其他功能──不只是传统的垂直立柱，带有一个外伸... Crane Symbols International Standards Will Make Cranes and Drivers Safer Some machines often use the name of a mammal or bird that most closely matches their characteristics: crane (crane) is a perfect description of the movement of a lifting machine, Wading behavior is consistent. But there are other forms of cranes and other features ─ ─ not just traditional vertical columns, with an overhang ...