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- hole bottom region 钻孔底
- A hole bottom prossure gauge is mounted indicating the pressure in order to control the status inside the hole. 配有孔底压力计指示压力,便于掌握孔内情况。
- Z-axis feed dwell time at the hole bottom in a spot-machining spot cycle.set this time in spindle revolutions. 在一个点加工的点循环中，在该孔底Z轴进给驻留时间。在主轴回转数中设置该时间。
- The paper stated the water inrush model of shearing failure at the karst sink hole bottom in North China coal field and analyzed the water inrush mechanism of the karst sink hole. 从论述华北型煤田岩溶陷落柱顶底部剪切破坏突水模式及判据入手,分析了井下溶陷落柱突水机理。
- When the spot-machining tool reaches the hole bottom, the Z-axis will firstly srop moving until the spindle makes D3 revolutions, and then return to the original position at the rapid feedrate. 在点加工刀具碰到孔底后，Z轴会先停止运动，直到主轴旋转了D3圈后，才会以快速进给速率返回到原始位置。
- Dense Fos-ir cells in granule layer of MOB appeared from the periphery to the core of MOB from birth to 30 days of age while dense Fos-ir cells appeared from apical to bottom region of AOB from birth. 主嗅球颗粒细胞层Fos免疫阳性细胞随着日龄的增加从边缘到中心逐渐出现 ,而副嗅球Fos免疫阳性细胞随着日龄的增加从顶部到底部逐渐出现。
- It is found that the vortex structures include the Kelvin?like vortexes in shear?layer of jet, the cross?flow separation vortex pair, the horseshoe vortex system in upstream bottom region of jet and the wake vortexes. 发现主要有4类旋涡,即射流主体周缘剪切层的类开尔文涡列、横流绕流分离旋涡、射流喷口前缘的马蹄涡系和尾迹涡。
- The bottom regional commercial housing prices will only decreasing, not plummeting, the bottom price impossible today how long will no longer exist. 商品房的底部区域价格，只会抬升，不会大跌，今天的底部价格用不了多久将不复存在。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔，以便装一把新锁。
- The bird picked a hole in the ice with its beak. 那鸟在冰上啄出了一个洞。
- They sent the enemy ship to the bottom of the sea. 他们把敌舰击沉。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一个洞。
- The child was sitting on the bottom stair. 那孩子正坐在楼梯最下面的一级上。
- Stick your hand in and see what's in the hole. 把手伸进去，看看洞里有什么。
- The dog skins through the small hole in the wall. 那条狗勉强钻过小小的墙洞。
- I intend to get to the bottom of it. 这件事我打算寻根究底。
- He was always bottom of the class in maths. 他的数学成绩在班上总是垫底。
- The men in the hole sent up for more equipment. 在洞穴中的人们向上面要求再给他们一些设备。
- The dregs have settled at the bottom of the bottle. 渣滓都沉到瓶底了。
