欢乐中国
发表于 2025-3-28 17:50:59
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自负的人
发表于 2025-3-28 21:05:16
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粗野
发表于 2025-3-29 01:53:40
Laser Cutting,The idea of cutting with light has appealed to many from the first time they burnt paper on a sunny day with the help of a magnifying glass. Cutting centimetre thick steel (Fig. 3.1) with a laser beam is even more fascinating!
衰弱的心
发表于 2025-3-29 03:44:23
Laser Welding,The focussed laser beam is one of the highest power density sources available to industry today. It is similar in power density to an electron beam. Together these two processes represent part of the new technology of high energy density processing. Table 4.1 compares the power density of various welding processes.
frugal
发表于 2025-3-29 07:25:42
Laser Safety,All energy is dangerous, even gaining potential energy walking up stairs is dangerous! The laser is no exception, but it poses an unfamiliar hazard in the form of an optical beam. Fortunately, to date, the accident record for lasers is very good, but there have been accidents. The risk is reduced if the danger is perceived.
集合
发表于 2025-3-29 15:25:56
Hans Meyer-Rüeggs, sound effects and music, and learn how to animate game characters. Whether you‘re creating games for the web or mobile devices, everything you need to get started on a ca978-1-4302-4716-6978-1-4302-4717-3
botany
发表于 2025-3-29 16:29:32
Book 2019rgefertigten Formulierungen geliefert; vielmehr findet er eine Vielzahl von Anregungen, Anstößen, Inspirationen, um daraus den zu ihm passenden Weg zu finden. "Find your style" ist das Motto von Gisbert Straden. Denn nur mit Authentizität kann sich persönliche Finanzberatung im Zusammenspiel mit den
CULP
发表于 2025-3-29 21:04:25
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miscreant
发表于 2025-3-30 02:29:36
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