This paper describes the structure and basic operating principle about the squeezed ma - chine of core of the long cylinder of mainoilpipe 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。
2
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。
3
Analysis result shows that the great temperature decrease in reaction oil and gas pipe inlet is the main cause.