叙述一种热管式表面温度计检定装置的原理、结构。
Describes principle and construction of verification device for surface thermometer with heat pipe.
叙述干式充填系统在东沟坝金矿的成功应用。
The successful application of the dry filling system in Donggouba Gold Mine is described.
叙述干式充填系统在东沟坝金矿的成功应用。
The successful application of the dry filling system in Donggouba Gold Mine is described.
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