单词	plasma torch
释义	plasma torch noun : a device that heats a gas by electrical means to form a plasma for high-temperature operations (such as melting metal) Example Sentences Recent Examples on the Web Rival company Petra also aims to bore through tough rock using the power of heat, though with a thermal cutting device that uses a superheated fluid rather than with a plasma torch. Wired, 13 Aug. 2022 The company first tested cutting through rock with a plasma torch in an industrial park in Oakland, California in 2018. Khari Johnson, Wired, 9 Dec. 2021 Tesla cofounder Ian Wright joined the company about a year ago to work on energy consumption for powering a plasma torch but started moving the team away from the plasma-torch approach. Khari Johnson, Wired, 9 Dec. 2021 Word History First Known Use 1959, in the meaning defined above
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