high sulfur coals的用法和樣例：
例句
- Based on analyzing the sulfur content and its distrib ution of Xishan coal, the feasibility and necessity of three desulfurization met hods were studied.
根據對西山高硫煤的硫含量及分布的初步分析，研究了多種脫硫方法的可行性。 - Only washed coal or high quality and low sulfur content coal can be allowed to directly use by boilers for space heating and production.
對于采暖及生產(chǎn)鍋爐直接燃煤，必須使用優(yōu)質(zhì)低硫煤或經(jīng)洗選的煤炭。
