tape-measure blast 超大支全垒打
Since, at the time, there was no wind I could observe very distinctly and actually measure the displacement of the pieces of paper that were in the process of falling while the blast was passing.
因为在爆炸前，我清晰地观察到确实没有风造成飘落的纸片偏移。
The increase of high blast temperature is an effective measure to enhance pulverized coal injection rate, reduce energy consumption, and cost.
高风温是高炉提高喷煤比、降低工序能耗、降低成本的有效措施。
The method and result of using thermocouple to measure temperature of blast holes are introduced in this paper.
本文介绍应用热电偶测量炮孔温度的方法与结果。
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