n. haulageway
提出在构造应力场中，开采运输巷道上方的煤体使巷道产生拉伸形变是巷道破坏的主要根源。
The main factor causing destruction of roadway in tectonic stress field is found to be the high tensile strain, which appears after the coal seam above haulage roadway is mined.
矿井运输巷道的潮湿和煤尘造成运输条件恶劣，巷道分支多和照明光线弱造成行车视线距离短。
Moisture, coal dust, multiple roadway branches and others in a mine transportation roadway would cause series transportation conditions.
通过对松软煤层的性质及其对巷道的危害分析，探讨了松软煤层中主要运输巷道及硐室支护设计形式及适用条件。
Through analysis to weak coalbed and harmfulness to roadway, main haulage roadway and room supporting design and adaptability condition are discussed in weak coalbed.
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