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safety technology | |||
work safety | |||
prevention of accidents | |||
safety engineering | |||
accident prevention; safe practice; safety control; safety work | |||
safety technique | |||
prevention measure; safety-first engineering; safety method; safety technics; security control | |||
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prevention of accidents | |||
accident prevention | |||
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safe practice | |||
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safety engineering; safety first engineering | |||
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safety method | |||
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Web security technology |
安 全技术 : 117 phrases in 31 subjects |