Within this nebula, the hot core of the star remains-crushed to high density by gravity-as a White Dwarf with temperatures over 180,000 degrees Fahrenheit (100,000 degrees Celsius).
在星云内部，恒星的热核仍然存留着——其由重力挤压成了高密度物体——即温度超过180,000华氏度(100,000摄氏度)的白矮星。
Discussed is design of circuit of fore alarm and accident alarm with ruptured diaphragms -main part of crushed materials diaphragm pump by control core PLC.
采用PLC为控制核心，实现了对料浆隔膜泵主要部件——隔膜的破裂进行预报警与事故报警的电路设计。
The factors that influence core flow efficiency are flow permeability decrease in crushed zone and the thickness of crushed zone.
流动效率影响因素依次为：压实带中渗透率下降程度、压实带厚度。
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