英语词汇“trial shots”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	trial shots
释义	trial shots trial shots [′trīl ‚shäts] (engineering) The experimental shots and rounds fired in a sinking pit, tunnel, opencast, or quarry to determine the best drill-hole pattern to use.
随便看	gp pathfinders gppb gppbt gppc gppcc gppcp gp-pcr gppcs gppd gppdi gppe gppf gppg gpph gpphcnt gppi gppig gppis gppk gppl gppm gppma gppn gppol gppp

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