【判断题】用全弓演奏一共三音的音阶时,每个音各用三分之一弓。
【多选题】用全弓演奏一共三音的音阶时,每个音各用_____分之_____弓。
【判断题】For the same machining method, the machining accuracy and surface roughness achieved must be same under different machining conditions.
【单选题】It is obvious that in machining the NC machine saves a considerable amount of time and improves the accuracy of ________.
【判断题】the guideway surface should have a small and even machining allowance in machining
【单选题】We should loads pallet 1 into the ________ for machining purposes.
【单选题】用全弓演奏一共三音的音阶时,每个音各用_____弓。