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答案：n.方向;指导;用法说明
相关试题
- 1.direction direction
- 2.direction
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- 6.—Which direction were you heading?—
- 7.The direction is which fashion is moving is called:
- 8.A set of _____ are installed to control the speed and direction of the vehicle.
- 9.A set of _____________ are installed to control the speed and direction of the vehicle.
- 10.Anabrupt reversal in the direction of voltage and current is termed ________.
