bilge pump for elevator shaft 升降机井舱底泵
That means the elevator shaft must extend upwards for another 64,000 kilometres.
这意味着电梯的杆轴必须再向前延伸64,000千米。
Instead of taking up space in the building for a motor room to run the elevator, these models have motors inside the elevator shaft, mounted on the rails that the cars run on, he said.
他还说，现在不需要占用建筑物空间做电机室去运行电梯，这些模型在电梯井里配有电机，在电梯箱运行的轨道上。
Design method and basic principle for ABB elevator master control program is analysed taking Fanshan phosphate Mine auxiliary shaft elevator as an example.
以矾山磷矿副井提升机为例，分析abb提升机主控程序的设计方法和基本原理。
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