1、

this paper suggests a new method to adjust the all clearance of the engine valves in two times, by checking the upper dead line of the first cylinder, which are carried on by making use of the work circulating diagram of the engine.

经过实验,提出了利用工作循环图解决用两次调整法对气门间隙检查调整时找到第一缸的压缩上止点后判断可调气门问题的新方法。

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2、

The end-faces of upper and lower crimping rollers not aligned resulted in clearance between side plate and end-face of crimping roller where broken fibers became black because of.

原因主要是上、下卷曲轮的端面不对齐,侧面板与卷曲轮端面产生间隙,间隙内的碎丝经摩擦高温作用而发黑。

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