三角钢琴被代之以一架粗鄙的小电子琴。The grand piano has been replaced with a small, inelegant electric model.少儿电子琴, 钢琴, 手风琴, 音乐基本素养的培训.Junior flower, piano, accordion, basic knowledge of music training.经实践,该MIDI 电子琴 实用 、 易操作,具有良好的功能.MIDI ...
使磁通以极小的阻力在铁心中流通.The magnetic flux can flow inside the core with extreme low reluctance.缠绕着线圈的铁心叫做电枢.The iron with the wound coils on it is called an armature.电流互感器铁心 ( 如果配备 ) 单独接地.Iron core of CT ( it is supplied ) shoul...
...enormous glaciers, which at one time covered vast areas of the northern hemisphere.一度覆盖了北半球辽阔区域的巨大冰川The dominant hemisphere of olfaction is the right hemisphere.右侧大脑半球为嗅觉“优势半球”....the northern hemisphere.北半球Other grow...