rise and fall system

基本解释

The rise and fall enable working platform system is in use for installing and maintaining charging stations.
陞降工作平台可在充電候車站安裝及維護時使用。
ip.com
The paper researches on rise and fall control system trouble reason for down coiler, put forward the improvement measure for hydraulic system.
該文分析了卸卷小車陞降控制系統中出現的故障原因，提出了液壓系統的改進措施。
This everyone recognition of the fool and real life antipathetic, have super era and manner, become a presentiment that chieftain system the rise and fall of the witness.
這個人人都認定的傻子與理想生活格格不入，卻有著超時期的預見和擧止，成爲土司制度興衰的見証人。