The value "SSSSS" means that the machine type, model number, and plant of manufacture are not required to generate a unique system identifier.
值“SSSSS”表示不需要计算机类型、型号号码和生产厂家来生成唯一系统标识符。
Model QZ100K drill was developed by the machinery plant, Changsha Institute of Mining Research, With a China National practical new-type patent.
QZ100K型潜孔钻机由本院机械厂研制，并已获国家实用新型专利。
The utility model provides a vapor-pressure type knapsack sprayer, which belongs to the agricultural plant protection instrument.
一种气压式背负喷雾器，属于农业植保器械。
The utility model provides a vapor-pressure type knapsack sprayer, which belongs to the agricultural plant protection instrument.
一种气压式背负喷雾器，属于农业植保器械。
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