This article systematically describes the process of stainless steel pipe stock production by ESR. The result s of ESR process are compared with EF-AOD process in cost and effectiveness.

系统论述电渣熔铸不锈钢管坯几种工艺方案，并估算了成本和效益，且与常规生产工艺作了对比。

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The EOS 20D - We already knew pretty much everything about this one since the specs leaked earlier this week, but here's the deal: an 8.2 megapixel sensor, powers on in just 0.2 seconds, and support for Canon's line of EF-S lenses.

ENGADGET: Canon's new digital cameras

First off, it adapts your Canon EF (full-frame) lenses to E-Mount, which is nice enough since there's still a paucity of high-end glass for NEX users.

ENGADGET