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填塞长度
爆破工程中,将每个炮孔的设计药量全部装入孔内后,为了封闭装药空间从孔内装药端面开始向剩余空孔内填入泥土、岩屑类惰性介质物料至孔口的长度。通常用符号表示(见图)。
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nickel based cast superalloy
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nickel-cadmium battery
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nickel-hydrogen battery
nickel-hydrogen electrolyte
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nickeline
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nickel-iron battery
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Nickelodeon
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nickel oxide hydroxide
Nickeloy
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