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這個(gè)圖能加工出來嗎? |
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點(diǎn)評
溫度低了橡膠就變硬了,干冰不會(huì)化,只會(huì)揮發(fā),液氮揮發(fā)得更快,但是橡膠依然保持低溫
嗯。用干冰、液氮冷凍,這個(gè)如何加工。恳粍(dòng)刀,這不還是會(huì)化掉嗎?
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