operation blank的用法和样例：
例句
- Serve the game with the operation of space above and below spiking control direction.
游戏操作空格发球与扣球上下左右控制方向。
operation blank的相关资料：
临近单词
operation net
operation
operation of opening laboratories
operation with special permission
operation maintenance and support
operation of modulus and exponent
operation decision support system
operation of push-button switch
operation of symmetric difference
operation and control information
operation speed calculation method
operation of Hasner valve incision
