“occupational hazards during the construction and operation in railways”的概念、定义、翻译、参考文献-科学参考

单词	occupational hazards during the construction and operation in railways
释义	occupational hazards during the construction and operation in railways Encyclopedia 工学〔铁路职业安全与健康〕释 occupational hazards during the construction and operation in railways铁路职业病危害铁路施工期和运营期职业活动中产生和（或）存在的可能对职业人群健康造成的不良影响。
随便看	derivable statement *-derivation derivation derivation algebra derivation formula derivation module derivation of a field derivation of a Lie algebra derivation of an algebra derivation of a polynomial derivation of a ring derivation rule derivation tree derivation weaves derivative derivative control derivative coupling derivative deposits derivative dictionary derivative forward backward semiclassical dynamics derivative forward-backward semiclassical dynamics derivative-free derivative-free method derivative function derivative in a direction

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