问题
问答题 简答题
露天矿山深孔爆破与哪些因素有关？
答案
参考答案：
炮孔直径，深度及超深，底盘抵抗线距离，炮孔的孔距与排距，装药与填塞深度及装药量，矿岩的物理性质等。
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露天矿山深孔爆破与哪些因素有关？
参考答案：
炮孔直径，深度及超深，底盘抵抗线距离，炮孔的孔距与排距，装药与填塞深度及装药量，矿岩的物理性质等。
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| I work in the school library. There are many kinds of 1 in it. For example, books about English, science, history, music, 2 . You 3 do some reading or borrow (借入) books from it But there are some 4 . You must obey (遵守) them. When you are reading in the library, you have to 5 quiet. Don't talk loudly 6 make any noise (喧哗). You 7 listen to music, either(也). You 8 take your bag or wet umbrellas into the library. 9 or drink in the library. You can borrow books from the library, 10 you can't lend (借出) them to others. You have to take good care of (好好保管) them and return them on time (按时归还). If the library books are lost, you have to pay for them. | ||||
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