Sometimes by the arm imply the whole metal piece of HSA.

有时候暗示的手臂的人血清白蛋白全金属片。

youdao

Both the inner metal piece and the outer metal piece may include at least one tapered end.

所述内金属件与所述外金属件都可包括至少一个渐缩端或梯形端。

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An engraved metal piece used for impressing a design onto a softer metal, as in coining money.

金属模子一种用于镌刻的金属件，可将设计好的图案压印到较软的金属上，例如压制货币。

youdao

Now,you will need a common nine-volt battery and a metal piece of money.

VOA: special.2010.12.08

So, the active part of the thermometer could be water. It could be alcohol, mercury, it could be a piece of metal.

那么温度计的工作部分,可以是水可以是酒精，水银，可以是一块金属。

麻省理工公开课 - 热力学与动力学课程节选

I had my head in and was about to open the lantern, when my finger slid on a piece of metal and made a noise.

VOA: special.2009.05.16

Earlier this week Wilson posted a video online showing a single shot being fired from "The Liberator, " a plastic handgun that, with the exception of a metal firing pin and a piece of metal included to comply with the Undetectable Firearms Act, was assembled entirely from parts made with a 3-D printer.

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In today's metal-based gadgets, you either need to bend a piece of sheet metal, or die-cast with an inferior alloy like aluminum or magnesium.

CNN: Next iPhone may be housed in 'Liquidmetal'

This weakens the piece of metal itself: makes it more likely to crack for example.

FORBES: Microsoft Surface's Liquid Metal Is Not The Same As Apple's LiquidMetal