图中应标明诸成分的位置，色谱法中的分离度应符合要求。
The position of each component should be marked in the graph. The resolution of the chromatographic method meets the requirements.
由于销孔尺寸、形状和位置精度及粗糙度的要求都很高，一般都需要设计并制造高精度的镗头。
Because of the high requiring of the size, shape, position precision and roughness of pinhole, a high precision boring cutter is required to design and manufacture.
其安装位置对直管段长度要求短、压损低、精确度高、维修量少，性能稳定，并介绍了应用情况。
Its installation location involves shorter straight pipe section, low pressure loss, high accuracy, small amount of maintenance and stable performance. The application status is a...
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