The yieldable thermometric instrument being allowed to use in deeper point is studied and manufactured on the basis of the spontaneous combustion rule of ground coal storage pile.

• 在探讨地面储煤堆自燃规律的基础上，研制出可伸缩深基点测温仪表，并应用于大同局煤峪口矿露天储煤场，得出煤堆自热层、自燃层厚度值及大同煤储煤堆自燃的内在特性。