directly heated filament造句

"directly heated filament"是什么意思

造句与例句手机版

Directly heated filament-type cathodes as used in battery-operated tubes or some rectifiers may fail if the filament sags, causing internal arcing.
It's difficult to see directly heated filament in a sentence. 用directly heated filament造句挺难的

相邻词汇

用"directly elected seat"造句, 用"directly finite ring"造句, 用"directly grounded"造句, 用"directly heated"造句, 用"directly heated cathode"造句, 用"directly illuminated"造句, 用"directly imaged exoplanets"造句, 用"directly indecomposable"造句, 用"directly invade"造句,

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