门挡和合叶应该采用不锈钢钉入式梅花机制螺丝加固在螺纹黄铜嵌入件内。
Door stops and hinges shall be secured with stainless steel, pin-in-head Torx machine screws into threaded brass inserts.
结果，止挡机构互锁并且针头被外壳内的钩固定地保持。
As a result, the catch mechanisms are interlocked and the needle is fixedly retained by the hook within the housing.
目前，回转窑所用的挡轮液压缸存在的问题是内泄大、密封失效、产生爬行及使用寿命低等。
At present, the problems of hydraulic cylinder is about serious internal leakage, seal failure, crawling and the short service life.
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