This paper introduces the maintenance methods and requirements for several key parts and components of en-masse conveyors based on practical experience in use of en-masse conveyors in our country.

本文结合国内埋刮板输送机的使用情况，介绍埋刮板输送机几个关键零部件的维修方法和要求。

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The school athletics education in our country used to emphasize the body training and neglect the reasonable maintenance and health guidance.

我国以往的学校体育教育只强调身体训练，忽视了对身体的合理养护和健康指导。

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This article has certain significance in improving the maintenance quality and management of the county and country highways.

对于提高县乡公路的养护质量和管理水平具有一定的意义。

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We've got a lot of deferred maintenance in this country.

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Our highways are getting worse, not better, in terms of maintenance, and as a country, we love to drive.

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Let's support this program by encouraging our friends and neighbors to finally retire that guzzler and help the country with the purchase of a cleaner, lower maintenance car for the future.

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