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ulcer

n. 溃疡;腐烂物;道德败坏

ultra

adj. 极端的;过分的 | n. 极端主义者;...

  • 英英释义
  • abstract:
    • 1

      UL 94 is a plastics flammability standard released by Underwriters Laboratories of the USA.

  • 双语例句
  • 1
    UL 94 standard test We often see the flame retardant plastic authentication through UL-94 V0 level, what meaning be?
    UL 94 标准测试我们常常看到塑料的阻燃认证通过UL–94 V0 级等,究竟是什么含义?
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