The rock-drilling jamming mechanism of down-the-hole drill is discussed.
对潜孔钻机卡钻机理进行了探讨。
The failure cause was found by analyzing high pneumatic down-the-hole bit bursting crack and the other reasons in the early stage.
对高风压潜孔钻头使用时钻头体崩块、掉齿等早期失效情况进行分析，找到其失效原因。
May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.
操作空气运作轨道，旋转，向下钻孔机或其他钻探机钻爆破洞或直接钻爆破洞。
Removing dust in the down-the-hole drill is very important in lengthening the service life of drill and assuring the health of workers.
潜孔钻机除尘系统对于延长钻机使用寿命，保证作业人员的身体健康至关重要。
The main contents of this thesis are the research of simultaneous casing & coring method by pneumatic Down-the-Hole (DTH) hammer drilling and the innovation of a novel vegetable-gum drilling fluid.
本文是以中国水电顾问集团成都勘测设计研究院负责“架空层钻进取心技术研究”项目为依托，研究的主要内容是空气潜孔锤跟管取心钻进技术和新型植物胶冲洗液的开发研究。
The man poured petrol down the hole and then lit a match in an attempt to kill the offending arachnid.
这名男子将汽油倒进洞里，然后点燃了一根火柴，试图杀死这只讨厌的蜘蛛。
It tells the story of a girl named Alice who falls down a rabbit hole into a wonderland.
它讲述了一个名叫爱丽丝的女孩掉进兔子洞进入仙境的故事。
A little girl lost and alone follows a stag deep into the woods, and like Alice, down the rabbit hole, she finds herself in a strange world.
一个迷失和孤独的小女孩跟随一只鹿深入森林，像爱丽丝一样，进入兔子洞，她发现自己在一个陌生的世界。
Alice followed the white rabbit and fell down a hole in the ground.
爱丽丝跟着小白兔，掉进了地上的一个洞里。
They believe that — on the night before Christmas — he travels through the air in a sleigh pulled by reindeer. He enters each house from the top by sliding down the hole in the fireplace.
小孩子们相信：在圣诞节的前一夜，圣诞老人乘坐驯鹿拉的雪橇从空中而来，他从壁炉的烟囱进入到每家每户，他把给孩子们的圣诞礼物放在圣诞树下。
I looked down that black hole, then turned and climbed the sand mound to hide my unprofessional tears.
我向下看了看了那个挖出来的黑洞，然后我回过头来爬上了那个小山偷偷擦掉了眼泪。
Hence the rush, as hundreds of physicists head down the rabbit hole, seeking their own adventures in Wonderland.
因此，数百位物理学家蜂拥着冲进兔穴，在仙境中开始他们自己的探险历程。
The rabbit also rolled down and went right inside the hole just like the rice ball.
小兔子也跟着滚了下去，刚好进入了刚刚饭团掉入的那个小洞。
I'm too far down the proverbial rabbit hole to be able to turn back, so part of me knows this is a permanent shift of some sort.
我已经沿着众所周知的路越走越远，直至难以回头，部分自我告诉自己这只是某种程度上的永久性转移。
In fact, up ahead, a kayaker was playing in the hole, and his body slowly slid down, as if he were on an elevator.
事实上，在正前方，有个皮划艇爱好者正在里面，他的身体慢慢地向下滑，就像是一部电梯。
Households are struggling to pay down debt to get out of the hole they're in, and if they give up and default, that places more pressure on indebted borrowers around them.
家庭都在努力偿还债务以脱离不断深陷的泥潭，如果他们放弃并拖欠债务，就会对周围负债的借款人造成更大的压力。
By sharing and comparing our memories, we can ensure that we still have some facts in common, that we all haven't disappeared down the private rabbit hole of our own reconsolidations.
依靠分享和对比彼此的记忆，让我们可以确保自身仍然具有一些相通之处，令我们不至于陷入重新整合方面的无底洞当中。
More importantly, how can you accurately assess you are iterating down the right path for your product and company success, and not simply digging further in a rat hole ?
更重要的是，我们如何准确地评估我们是否位于一条通向成功产品和公司的康庄大道上呢，还是我们仅仅是在挖开另一个无底洞？
So the man who was providing the instructions pops down the hole, and two seconds later pops right back up and says, “What have you done?!?!?
于是，提供指示的这个人突然跳进洞里，两秒后又突然伸出了脑袋：“你都干了什么？”
British critics attacked the studio for "Americanizing" the story of Alice's fall down the rabbit hole, while American viewers criticized Disney for distorting Carroll's prose.
英国评论家批评说，这是“美国版”爱丽丝漫游记，而美国观众则批评迪斯尼曲解了原作。
The man shoves the iron cover back over the hole and takes the woman's hand, and together they run grinning down the street.
那男人将井盖盖好，然后拉起女人的手。 随后两人笑着沿着大街跑了。
The singularity is located at the heart of a black hole, and is the place where the laws of physics and space-time break down.
奇点位于黑洞的中心，物理和时空法则在这里失去作用。
He sat down next to the hole, placed his long beautiful black tail in the icy water and turned his back.
它坐了下来，把漂亮的尾巴伸进冰冷的水里。
He sat down next to the hole, placed his long beautiful black tail in the icy water and turned his back.
它坐了下来，把漂亮的尾巴伸进冰冷的水里。
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