back-plate

常见例句

The team uses a linear motor to move a loudspeaker-type plate back and forwards, generating a sound wave in helium gas – which doesn't add to the greenhouse effect.
这个小组用线性马达驱动扩音器导磁版前后震动，在氮气中发出一种不会造成温室效应的声波，声波在气体中产生区域性压缩和膨胀，造成他们轮流升温和降温，珀斯说。
The film spray non-back-mixing column plate can prevent the liquid from back mixing, and greatly improve mass transfer driving force and the column plate efficiency.
该塔板可避免液体返混，大幅提高传质推动力和塔板效率。
ip.com
Does the day big mound believe and (rock'n roll poem coming into being and turn-back) have electron printing plate copy in May?
五月天阿信的（浪漫的逃亡）和（摇滚诗的诞生和转身）有没有电子版的拷贝?。
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The Magellan Wireless Back-Up Camera kit comes complete with a license plate mountable camera, transmitter, wireless receiver, vehicle power adapter, installation hardware, and instructions.
ENGADGET: Wireless Back-Up Camera for the Magellan RoadMate checks your six
The initiative, which dates back to 2005, involves an extensive network of security cameras, licence-plate readers and weapon-detectors which work together to spot threats and deter terrorist surveillance.
ECONOMIST: New York expands its counterterrorism monitoring system