英语词汇“single-perforated grain”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-现代词典

单词	single-perforated grain
释义	single-perforated grain single-perforated grain [′siŋ·gəl ¦pər·fə‚rād·əd ′grān] (materials) A cylindrical propellant grain with a single perforation located in its axis; this type of granulation is used in propelling charges for several calibers of guns, and in rockets.
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