double-deck machine造句

A auto - focusing compensation machine is studied with double - deck guideway and double - deck cam , the double - deck machine ' s synchronous operation is able to compensate the deviation of focus , and ensure the opticus being fixed on the ccd ' s receiv ing surface during photography
研制出一种双层导轨、双层凸轮的自动调焦补偿机构，两层机构同时工作能够正确的补偿光机系统因环境条件变化和照相距离变化导致的离焦量，使相机在照相过程中始终保持光学焦面稳定在ccd接收面上。
It's difficult to find double-deck machine in a sentence. 用double-deck machine造句挺难的