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(bào)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(bào)警裝置。
cyggao.com
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(jì)的電話遠(yuǎn)程報(bào)警器是基于DTMF（雙音雙頻信號(hào)）傳輸、作為電話的附屬物而開發(fā)的家庭遠(yuǎn)程報(bào)警系統(tǒng)。
Safety guardrail is an important appurtenance to ensure traffic safety.
防撞護(hù)欄是確保交通安全的重要設(shè)施。