The refining time shall be extended along with increase of aluminium melting volume.

精炼时间随熔铝量的增加而延长。

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During the high rate heavy rail steel smelting, the upper basicity slag can be used during the LF refining, but it reduces suitable basicity of slag and refining time during the RH refining.

高速重轨钢的冶炼可以在LF精炼过程中采用较高的炉渣碱度，而在RH精炼过程中，应适当降低炉渣碱度和减少精炼时间。

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Spend the time defining and refining the views that your customers will see.

花点时间来定义并精炼客户将看到的视图。

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Sadly, Pebble won't be making its way to backers by its original September estimate, but the design team wants you to know that it's hard at work, traveling the world to source components, running shipping tests and spending time refining the user interface in order to provide a top-notch experience once you do receive your device in the mail.

ENGADGET: Pebble team posts UI preview, provides an early look at how you'll interact with the E-Paper Watch

You can tell Sony put time into refining this experience, essentially fool-proofing it for a wide swath of potential users.

ENGADGET: Sony Xperia Ion review: an Android handset with a split personality

It will take a long time for refining capacity to change.

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