“thumb pin”的概念、定义、翻译、参考文献-科学参考

单词	thumb pin
释义	thumb pin 图钉
随便看	Portland cement Portland cement clinker Portland cement concrete (PCC) Portland clinker Portlandian Portlandian stage portlandite Portlandpozzolan cement Portland stone port level port log Portmadoc beds port maintenance engineering vehicle Portmann's operation port mark port of call port of coaling port of debarkation port of delivery port of departure port of destination port of discharge port of dispatch port of distress port of embarkation

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