这些都是工程控制界公认的难题。
They are generally recognized by the problem of engineering control.
防止意外回流缺乏工程控制(设计)。
Lack of engineering control to arrest accidental back-flow (Design).
机械工程控制基础是一门比较抽象的技术基础课。
Mechanical engineering control foundation is an abstract technical basic course.
LED照明控制，LED音乐节拍器、LED种类工程控制芯片。
LED lighting control, LED musical metronome, LED type of engineering control chip.
LED照明控制，LED音乐节拍器、LED种类工程控制芯片。
LED lighting control, LED musical metronome, LED type of engineering control chip.
应用推荐