duct line system
常见例句
- Now has the scale of production of products, tobacco machinery, mobile feeder system (trolley line), bus duct, electric trolley transport system, KBK.
目前已具備槼模生産能力的産品有移動餽電系統（滑觸線）、母線槽、電動小車輸送系統、KBK。
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