The coal mine的用法和樣例：
例句
- Coal mining enterprises must provide the workers with the necessary articles to guarantee safety in production.
第四十三條煤礦企業必須為職工提供保障安全生產所需的勞動保護用品。 - Article 30 Coal mining enterprises shall exercise strict supervision,inspection and control of coal product quality.
第三十條煤礦企業應當加強煤炭產品質量的監督檢查和管理。
