在人工手动操作阀杆时，如果水路畅通，热水会排泄出来。
When the lever is operated, Hot water will discharge if the waterways are clear.
传统的发电厂输煤系统是一种基于继电接触器和人工手动方式的半自动化系统。
The traditional coal transfer system of power plant is a half-automation system based on relay connect and manual work.
我国染整行业中的染液组分浓度测控一直采用人工手动方式，无法保证其实时性与可靠性。
The dyeing and finishing industry in china has been monitoring the concentration of dye component artificial manually, which is no guarantee of real-time and reliability.
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