Combined practice, the technology difficulties of sheet forgings with inner hole were introduced, for which the optimized design of dies for punching and cutting for top-plate forging was put forward.

结合实际，介绍了带内孔的薄板锻件的工艺难点，并就此工艺难点的解决介绍了锻件切边、冲孔模具的优化设计。

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Simply place your cup of cocoa on top of the hot plate, and your mug will stay steamier for longer.

只要把你的可可杯放置于热盘的最高层，你的马克杯就会长久地保持热度。

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Lumber matching this sole plate, which is called a top plate, caps these studs.

木材匹配这个唯一的板块，即所谓的顶部钢板，头套这些钉子。

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The Leica red dot logo and the M9 lettering on the front have been omitted and replaced with the Leica name in classic script form engraved on the top plate, making the M9-P the quintessential unobtrusive tool.

ENGADGET: Leica M9-P looks like it costs a fortune, doesn't disappoint

Or maybe during their secondo, or second course of meat or fish, they'll discuss more pressing issues concerning Francis' new job: Benedict left a host of unfinished business on Francis' plate, including the outcome of a top-secret investigation into the leaks of papal documents last year.

NPR: Pope Francis Tells Benedict: "We're Brothers"

Head to the seaside district of Al Mina for a fresh fish dinner, then top it off with a plate of sticky pastries at locally renowned sweet-maker, Rafaat Hallab and Sons, on Rue Tall.

BBC: Lebanon in a week: The ultimate road-trip guide