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我队在双革运动中，为了改变笨重的体力劳动和提高劳动生产率，在局和队党支部的领导下，经过再次修改，已试制成了浅井打眼机，平均提高效率186％。现将打眼机的构造和优缺点介绍如下：
In order to change cumbersome physical labor and increase labor productivity, our team, under the leadership of the bureau and the party’s party branch, has made a trial of shallow hole drilling machines with an average efficiency of 186% after another revision. Now the structure of the machine and advantages and disadvantages described as follows: