“reverse gear drain cock”的概念、定义、翻译、参考文献-科学参考

单词	reverse gear drain cock
释义	reverse gear drain cock 回动装置放水旋塞
随便看	filament resistor filament rheostat filament sag filament saturation filaments of upper anthers filament supply filament switch filament transformer filament type cathode filament-type cathode filamentus filament voltage filament voltmeter filament waste filament wattage filament winder filament winding filament-wound case filament-wound glass-reinforced plastics filament yarn filament yarn fabric fila olfactoria filar fila radicularia filar evolute

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