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我厂试制了一种轻型快速安装工具—SDQ-77型射钉工具枪(见图1),现已鉴定并批量投产。该枪系利用弹药产生的高压推进力将螺纹射钉射入钢板或混凝土构件内,以作悬挂或固定物件之用。
Our factory has trial-produced a light quick installation tool—SDQ-77 nail gun (see Figure 1). It has been identified and put into production in batches. The gun uses a high-pressure propulsive force generated by ammunition to inject a threaded stylus into a steel plate or a concrete member for hanging or fixing an object.