单词	gas-filled electron tube
释义	gas-filled electron tube 充气电子管
随便看	quantity of staff and faculty quantity of state quantity of steam quantity of stimulus Quantity of stock quantity of straw resources quantity of student quantity of study quantity of substance quantity of sulfur contained quantity of supply and demand quantity of surge water quantity of tax evasion quantity of teliospore Quantity of the Articles quantity of the dead body Quantity of the mineralized nitrogen quantity of theses quantity of the tropical cyclones quantity of tolerance quantity of total demand quantity of total excretion quantity of transfer water quantity of translation quantity of transportation demand