“hoop-drop relay”的概念、定义、翻译、参考文献-科学参考

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单词	hoop-drop relay
释义	hoop-drop relay 落弓式继电器
随便看	materials and work schedule material saving materials being fabricated materials budget control method material scattering materials certificate materials chemistry material science materials classification materials consumption norm materials consumption quota materials consumption rate materials control account materials control card materials cost budget materials cost method materials credit slip materials earmarked for unified distribution materials engineering manual materials expenses materials handling analysis materials handlinng equipment materials hauling material shed materials in storage