块煤 meaning in English

[地质学] lump coal; coal; valengongite; torbanite; bitumenite; kerosine shale

When he looked mechanically up into the sky, he saw ragged, soot-coloured clouds scudding in front of the moon .
他机械地往天空一望，看见一块块煤烟色的散碎云朵正在月亮前边飞行着。
Operating experience of batac lump coal jig
块煤跳汰机操作经验
Practice of using volley shotfiring to improve lump - coal yield
采煤工作面松动爆破提高块煤率的实践
You ' vegot a smudge of soot on your cheek
你脸上有块煤灰污迹
Application of technology of preventing lamp coal from size reduction in jiulishan mine
块煤防破碎技术在九里山矿的应用

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