circumambience

1.The product sends out high-powered frequency conversion signal of ultrasonic to circumambience.

★ 采用双喇叭广角高性能高频换能器，可产生双倍效能。

2.The branch system of safeguard, the design of alarm, interlock and shutdown, can ensure the safety of plant and its circumambience and reduce the lost of fault.

为证企业生产过程及区的安全,设计了过程安全障系统,实现装置的报警、联急停车,把因故障造成的损失降低至最小。