The cinder-extracting device discharger cinder automatically.
排渣装置将灰渣自动排出。
Information extracting method, information extracting device, information extracting program and storage medium.
信息提取方法，信息提取装置，信息提取程序及存储介质。
The adjustable suction pot comprises a suction pot, a guide tube, an air extracting device and an adjusting valve.
本实用新型由吸罐、导管、抽气装置、调节阀组成。
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