此举的作用也是阻止冷空气进入大厦的电梯井道。
The role of the move is to prevent the cold air into the building of the elevator shaft.
第一步是关紧电梯井道上方所有的排气口以及出口，防止水进入电梯井道。
The first step is to close all vents and openings at the top of the hoistway to prevent water from entering the elevator shaft.
该系统的优势在于：在同一电梯井道内安装上下两个电梯轿厢，在最小的空间内实现了最大的载重。
The key advantage of the system: The use of two elevator cabs one above the other in a single shaft maximizes capacity in the minimum amount of space.
本文作者对电梯井道设计提出了许多较好的建议，在井道尺寸布置过程中谈了一些注意事项，并对在实际应用中提出了许多较好的设想。
Author makes many good Suggestions to design elevator well, brings forward some things to be paid attention to, and some good imaginations in practical engineering in this paper.
本公司采用加拿大标准自行开发、设计、制造的别墅电梯，是国内专业生产无井道、无机房、无底坑别墅电梯的制造商。
Our company adopted the Canada standard for home-use elevators, we designed and developed the home elevator is the only brand that does not requires well channel or machine room and pit.
本产品不仅具有阻燃性，而且兼具低发烟性和无公害性适用于交流额定电压300／500V及以下电梯随动、井道，机房、轿厢预制电缆及其它控制线路用。
Suitable for circuitry of elevator traveling hoist way machine car prefabricate cable of rated voltage 300/500V A C as well as below It is halogen free flame retardant and low smoke.
井道结构必须固定在建筑物上以便保证电梯运行时它的稳定性。
Hoist-way structure must be fastened in the building to ensure its stability.
井道结构必须固定在建筑物上以便保证电梯运行时它的稳定性。
Hoist-way structure must be fastened in the building to ensure its stability.
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