hot knife短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 热封刀,热封钳 A novel three dimension rapid manufacturing for pattern has been proposed, in which the computer was used to control pin pattern hot knife to evaporate the unnecessary materials by a laminated method. 研究了一种新的模样加工技术，采用计算机控制点热源非接触分层气化聚苯乙烯泡沫塑料材料实现模样三维快速加工。 chemyq