英语词汇“胸音计”的读音、翻译、释义、用法及例句-集火网

集火网英语在线翻译词典收录了841188条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。

词汇	胸音计
释义	胸音计【医】 stethophonometer
随便看	directivity factor directivity gain directivity index directivity of an antenna directivity pattern directivity signal directiy heated cathode direct keying device direct labor direct labor budget direct labor cost method direct labor costs direct labor costs basis direct labor cost variance direct labor efficiency variance direct labor hour direct labor hour rate direct labor hours basis direct labor hours method direct labor rate variance direct labor time direct labour cost budget direct laryngoscopy direct latex casting direct leads