【单选题】直齿圆柱齿轮啮合的规定画法:在平行于齿轮轴线的视图中,啮合区的两齿顶线不需画出, 节线用 绘制。
【单选题】发生劳动争议必须经过什么程序后才能向人民法院提起诉讼
【单选题】That woman has a bag in her right hand. What’s in her _____ hand?
【单选题】That woman has a bag in her right hand. What's in her _____ hand? [ ]
【单选题】That woman has a bag in her right hand. What's in her _____ hand? [ ]
【单选题】That woman has a bag in her right hand.What's in hand?
【单选题】That woman has a bag in her right hand. What’s in her _____ hand ?
【单选题】直齿圆柱齿轮啮合的规定画法:在平行于齿轮轴线的视图中,啮合区的两齿顶线不需画出,节线用( )绘制。
【单选题】两圆柱齿轮啮合画法中,在平行于圆柱齿轮轴线的投影面的视图中,当画成剖视图时,被遮挡齿轮的齿顶线与可见齿轮的齿根线间距是( )。