由于在Oak City规划中也有一个新的居住区，我们应该把我们所有在Oak City的商店的价格政策从现行的“天天平价”改为“高-低”政策。
Since there is a new residential development planned in Oak City, we should change the pricing policy at all of our Oak City stores from our current everyday low prices policy to a high-low policy.
该文以热天平和半工业性热态试验系统对高钙煤灰增湿脱硫过程进行了研究。
The experiments on humidification desulfurization by high calcium coal ash were carried out at a thermo balance and a semi industrial test ring.
以纸浆黑液为催化剂，用热天平的等温法研究高变质无烟煤常压纯水蒸气催化气化反应。
Using black liquor of paper pulp plant as catalyst, the steam gasification of high metamorphosed anthracites was investigated by isothermal thermo-gravimetric analysis under ambient pressure.
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