After perfect root canal therapy to the residual root and crown of the front tooth, it is the main repair method to utilize a post and core crown at present.

前牙残根残冠经过完善的根管治疗后，利用桩核冠修复在目前是主要的修复方法。

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The preservation itself costs rather little money, the main part of it simply goes for the repair jobs, buying special equipment and staff training.

保存本身需要的钱很少，主要是维修和购买特殊的设备以及员工的培训需要资金。

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Now Dilan is further from the shoreline, close to the main road. His three-wheeler repair shop is back in business.

如今，Dilan的房子远离海边，靠近大马路，他的三轮摩卡维修店也重新开张营业了。

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The firm said it was still working to repair the burst main.

BBC: Domestic water tap

There are two main approaches to repairing a hernia: an open repair that requires a large incision, or a minimally invasive laparoscopic technique, which uses a camera to guide instruments through a tiny incision.

WSJ: A Secret for Patients Undergoing Hernia Repair

Motorists are being warned to avoid the main motorway link from London to Heathrow Airport, after it was closed to repair cracks in its structure.

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