“ball-and-lever valve”的概念、定义、翻译、参考文献-科学参考

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单词	ball-and-lever valve
释义	ball-and-lever valve 杠杆球阀
随便看	gas discharge colour method gas discharge counter gas-discharge counter gas-discharge current gas discharge detector gas discharge device gas discharge display gas-discharge display panel gas discharge duplexer gas-discharge etching gas-discharge gauge gas discharge ion source gas-discharge lamp gas discharge lamp gas discharge laser gas discharge laser detector gas discharge noise gas discharge noise generator gas discharge noise source gas-discharge nozzle gas-discharge optical maser gas-discharge plasma gas-discharger gas-discharge relay gas-discharge source