large sized coal的意思|示意

The market demand for coal has increased and coal price was stable. The market share of large and medium-sized coal enterprises was increased while their loss has decreased.

煤炭市场需求增加，煤炭价格趋稳，大中型煤炭企业市场份额增加而亏损减少。

In order to protect environment, nowadays many large and medium-sized cities in China have forbidden the use of small coal-fired boilers, which is a blow to most of bath centers.

出于环境保护要求，目前我国许多大、中城市已明令禁止使用小吨位的燃煤锅炉，这对于大多数洗浴中心来说，是一个不小的打击。

Some proposals concerning abatement of SO2 in large-sized coal-fired power plants are put forward.

最后对大型燃煤发电厂SO2的治理提出建议。