Article 46 The State institutes a system for reserving strategic material.
第四十六条国家建立战略物资储备制度。
This paper introduces state of mining and reserving of thin and almost thin seam, analyses technology and methods of mining thin seam, meanwhile discusses design of hydraulic support in thin seam.
介绍了我国薄、极薄煤层赋存及开采状况，分析了薄煤层开采的技术及方法，并对薄煤层液压支架的设计进行浅探。
Under natural state, nursery stock of cuttage's water-reserving ability vary in different month, early nursery stock has strong water-reserving capacity and easy to survive the winter.
在自然状态下，不同月份扦插的苗木保水能力存在差异，扦插越早的苗木保水能力越强，越冬受低温伤害越轻。
Under natural state, nursery stock of cuttage's water-reserving ability vary in different month, early nursery stock has strong water-reserving capacity and easy to survive the winter.
在自然状态下，不同月份扦插的苗木保水能力存在差异，扦插越早的苗木保水能力越强，越冬受低温伤害越轻。
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