Therefore, it is of great significance to research on the piston skirt profile design and to find an advanced reasonable piston skirt surface design method.

因此，研究活塞裙部型面的设计，寻求一种先进合理的活塞裙面设计方法，具有重要的意义。

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Currently, there is no clear theoretical basis and effective means for piston skirt surface design which influenced by cylinder matching gap and thermal-deformation and so on factors.

活塞裙面的设计受到热态变形、配缸间隙等诸多因素影响，目前尚无明确的理论依据和有效的手段。

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No corrosion allowance is required for such parts not in contact with the inside fluid as the outside surface of shell, skirt, support lugs and so on, except for anchor bolts.

对于不同内部介质接触的部件，如外表面、防护罩及支承凸缘等不需腐蚀余度，地脚螺栓除外。

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"The pencil skirt has the perfect shape to highlight a print because it's a really clean surface, " said designer Joseph Altuzarra of the high-waisted, nipped-in style to which he returns season after season.

WSJ: Rethink: Pencil Skirts | Off Duty Spring 50