"The rollercoaster is wooden and so unlike rides made from iron and steel there was always a chance of the odd nail or screw that would not be entirely flat," he said.
奥尔说：“这个过山车道不是由钢铁制成的，它是木制的，由此，有可能有旧钉子或者螺丝翘起造成轨道的不平坦。”
He gives the example of how a carpenter will often know that a nail works better in certain situations and screw better in others.
他用了这样一个例子：木匠通常是怎么知道在什么情况下用直钉，什么情况下用螺钉的。
Some riders put a dab of nail polish on the binding's screw threads to help keep the screws in place.
有一些滑雪者会往固定器的螺丝上涂上指甲油保证螺丝不会松动。
Screw can not directly on the siding. If there is no nail groove, made a nail hole.
螺钉不能直接钉在挂板面上。如果没有钉槽，用钉眼冲孔器做一个。
Summary: a 49-year-old patient sustained an ipsilateral fracture of the lateral femoral neck and distal femoral shaft, which were treated with a long intramedullary nail with a hip screw component.
总结：一同侧股骨颈及远端股骨干骨折的49岁病人，用一长骨髓内钉带髋关节螺钉治疗。
Screw , a thread of the nail, for fixed something to another thing …
螺钉，有螺纹的钉子，用于固定某物到另一物…
The locking screw positioning hole and a joint sleeve positioning slot are arranged on the proximal end of the intramedullary nail bar.
在髓内钉杆近端设置有锁紧螺杆定位螺孔、连接套定位槽。
Tighten the loose screw on your glasses. Paint a little clear nail polish across the top of the screw, and let it dry.
拧紧你的眼镜松脱的小螺丝，在小螺丝表面蘸上一小点指甲油，让它风干。
Stainless steel screw, hex bolt series: tighten screw, machine screw, nail screw, self-tapping screw, expansion bolts, carriage, lifting eyebolt, a tooth, flat mat, play split cotters cushion etc.
不锈钢螺丝系列：内六角螺栓，紧钉螺钉，机螺钉，自攻钉，马车螺丝，膨胀螺丝，吊环螺丝，牙条，开口销，平垫，弹垫等。
Everybody knows that you can use a hammer to drive a screw or pliers to bash in a nail, but any skilled craftsperson knows that using the wrong tool for the job will eventually catch up with you.
任何人都知道，你可以使用锤子来敲打螺丝钉，或者钳子来砸钉子。但任何一个有经验的工匠都知道，错误地使用工具最终会给你带来麻烦。
The intramedullary nail is mainly characterized by including a solid nail body, the upper section of which is an external screw thread rod and a copulate fixedly pressure-adding screw cap;
它的主要特征是包括实心体钉体，其上段为外螺纺杆及配合的固定加压螺帽；
A comparisive study between intramedullary interlocking nail and plate-screw fixation in the treatment of tibial shaft fractures;
探讨交锁髓内钉内固定加同种异体骨移植治疗胫骨骨纤维结构不良的疗效。
A comparisive study between intramedullary interlocking nail and plate-screw fixation in the treatment of tibial shaft fractures;
探讨交锁髓内钉内固定加同种异体骨移植治疗胫骨骨纤维结构不良的疗效。
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