Upon approach, though hard to distinguish interior from exterior, there is an open-air lower-level villa housing the sitting area and bathroom and upper-level perch for the sleeping area.
当接近这个项目的时候，虽然很难区分其室内和室外，但这里有一个包含休息区和浴室的低层别墅以及一个提供睡眠区域的高层休息处。
An approach is made into relationship between spinning aprons and yarn quality basing on the properties of the upper and lower aprons in spinning production.
针对细纱机用上、下胶圈在生产中的应用特点，探讨了胶圈与成纱质量的关系。
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