appurtenance

常見例句

As an appurtenance of telephone, this alarm equipment is used to be alarm device for private house protect based on telephone system.
本報警裝置是基于電話、作為電話的附屬物而開發(fā)的一種家用防盜報警裝置。
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As an appurtenance of telephone, this remote alarm equipment is used to be an alarm for private house protect based on the transmission of DTMF(Dual Tone Multiple frequency ).
本文設(shè)計的電話遠程報警器是基于DTMF（雙音雙頻信號）傳輸、作為電話的附屬物而開發(fā)的家庭遠程報警系統(tǒng)。
Safety guardrail is an important appurtenance to ensure traffic safety.
防撞護欄是確保交通安全的重要設(shè)施。