Compact structure, reasonable layout, stable performance and low noise.
结构紧凑，布局合理，性能稳定，噪音低。
The lifting mechanism has small occupied space, simple structure, reasonable stress and low cost.
该提升机构占用空间小、结构简单、受力合理、制造成本比较低。
The lifting mechanism has small occupied space, simple structure, reasonable stress and low cost.
该提升机构占用空间小、结构简单、受力合理、制造成本比较低。
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