“seal by screwed union”的概念、定义、翻译、参考文献-科学参考

单词	seal by screwed union
释义	seal by screwed union 螺纹连接密封
随便看	injection ram injection rate injection ratio injection regime injection revolution frequency injection rinsing machine injection scheme injection schlieren injection semiconductor laser injection site injection source injection splicer injection spray pipe injection starter injection station (色液测流法的) injection straight section injection stream injection syringe injection technique injection technology injection temperation injection testing injection therapy of internal hemorroid injection time injection timing

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