appurtenance
常见例句
- As an appurtenance of telephone, this alarm equipment is used to be alarm device for private house protect based on telephone system.
本报警装置是基于电话、作为电话的附属物而开发的一种家用防盗报警装置。
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 ).
本文设计的电话远程报警器是基于DTMF(双音双频信号)传输、作为电话的附属物而开发的家庭远程报警系统。 - Safety guardrail is an important appurtenance to ensure traffic safety.
防撞护栏是确保交通安全的重要设施。 返回 appurtenance