This paper describes the structure and basic operating principle about the squeezed ma - chine of core of the long cylinder of main oil pipe of Cat, 121 diesel engine's body.
本文介绍了卡特匹勒121型柴油机机体主油管长圆柱坭芯挤压机的结构和基本工作原理。
Although oil pumping into the pipeline has stopped, the residual oil in the pipe is now the main concern.
虽然向管道中泵油已停止，管道中的残油目前成为了主要关注对象。
Analysis result shows that the great temperature decrease in reaction oil and gas pipe inlet is the main cause.
经过分析后认为，入口处反应油气管温度下降幅度较大是造成反应油气入口结焦严重的根本原因。
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