The operation principle of tilting mirror scan laser display system, the principal device and critical technology are introduced.
介绍转镜扫描激光显示系统工作原理、主要器件和关键技术。
In late 1961, Ford's principal supplier of windshield-wiper components, a Buffalo-based company called Trico Products, brought a new intermittent device to Ford.
年末，福特主要的雨刷零部件供应商——水牛城特瑞科公司竭力向福特推销一种新型间歇装置。
The constitution, function, principal component parts and evaluation of the automatic shutting-off device in case of gas leak emergency are described.
介绍煤气泄漏紧急自动切断系统的构成、作用、主要装置和评价。
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