The flexible diaphragm is connected to a plat cantilever - calibrated spring.柔韧的膜片一扁平的悬臂校正弹簧相连.Reflection of a beam of light on the diaphragm falls on a phototransistor.经膜片反射的光束照射到光敏管上.The diaphragm draws air into the lu...
Water afar quenches not fire.远水解不了近渴.Daylight quenches the candles and the birds begin to sing.日光压倒了烛光,小鸟开始歌唱.The cooler located above the reactor quenches hot product gases to prevent reaction to completion.装在反应器上部的冷却器使...
公共汽车驶离了公路,冲下路堤.The bus came off the road and plunged down an embankment.属于这种范畴的工程结构为带有基础的重力坝, 斜坡和路堤等.Engineering structures falling in this category are gravity dams with foundations, slopes and embankments, etc.改良路堤填料是高...