title: [Evaluation on the result of reducing noise in towboat engine room].
authors.forename: Zheng-yi
authors.initials: ZY
authors.lastname: An
authors.forename: Li-qun
authors.initials: LQ
authors.lastname: Sun
mesh_terms: D006801:Humans; D009623:Noise, Occupational / Q000009:adverse effects / Q000517:prevention & control*; D012767:Ships