Sandwich transducer with composite horn combines the advantage of high power of sandwich transducer and the benefits of broad beamwidth of piston like transducer with small emitting area.
夹心式复合变幅杆换能器结合了夹心式换能器的大功率容量和小尺寸活塞换能器波束宽度大的特点，因此该换能器同时兼有宽波束和高发射响应的优点。
Sandwich transducer with composite horn combines the advantage of high power of sandwich transducer and the benefits of broad beamwidth of piston like transducer with small emitting area.
夹心式复合变幅杆换能器结合了夹心式换能器的大功率容量和小尺寸活塞换能器波束宽度大的特点，因此该换能器同时兼有宽波束和高发射响应的优点。
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