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济南内燃机厂的广大职工,为适应内地建设的需要,改革了老产品的结构,设计制造了HB6-3型灰浆泵(见图1)。经过在工地的使用,性能良好。
The employees of Jinan Internal Combustion Engine Plant have reformed the structure of the old product to meet the needs of the construction of the interior, and designed and manufactured the HB6-3 mortar pump (see Figure 1). After use at the construction site, the performance is good.