self-combustion 自燃 ; 自燃险
coalfield self-combustion 煤田自然
coal self-combustion 煤炭自燃
self combustion tendency 自燃倾向性
Its test results have shown an improved ventilation, controlled stope self combustion and less ground pressure activity.
实验结果表明该方法通风效果改善，采场自燃得到控制，地压活动减少。
A measuring method of coal self combustion tendency is suitable for the qualitative analysis and classification of the self combustion tendency of coal bed in a coal mine.
一种煤自燃倾向性的测定方法，适用于煤矿煤层的自燃倾向性的定性与分类。
Supporting most of the internal combustion engine self-priming pump, mounted on a Mobile small car, suitable for field work.
自吸泵大部分与内燃机配套，装在可移动的小车上，宜于野外作业。
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