“umpire”的概念、定义、翻译、参考文献-科学参考

单词	umpire
释义	umpire [`ǝm´pīr] ^{MINING ENGINEERING} An assay made by a third party to settle the difference in assays made by the purchaser and the seller of ore.
随便看	landing chart landing circle landing compass landing craft landing direction indicator landing flap landing flare landing gear landing light landing load landing ship landing stage landing strip landing system landing tee landing tender landline landlocked landmark landmark beacon land measure land mile land mine land mobile satellite land mobile service

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