[机械]这一对内刊物现在已出版了五期,这五期中间’[机械]会本着它即定的任务,归纳了我们机械工业中的选进技术经验,总结了并讨论了一些极须解决的技术问题,如[机械]会有计划的组织了关於翻砂问题的讨论,介绍了高速切削的先进经验,这样就有力的,适当的配合了我们的中心工作,促 [Machinery] This pair of internal publications has now been published in five issues. In the middle of the five phases, ’[Mechanics] will summarize its selected technical experience in the machinery industry, summarize and discuss some The technical problems that must be solved, such as the [Mechanical] plan to organize a discussion on the problem of sanding, introduced the advanced experience of high-speed cutting, so that there is force, appropriate cooperation with our center, promote