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English to Portuguese translations [PRO] Tech/Engineering / Ambiente
English term or phrase:shear stresses
Trata -se de um termo pertencente a um livro sobre tratamento de águas residuais (lamas activadas). "Flocs are not exposed to shear stresses resulting from repeated contacts with the moving parts of mechanical aerators."Esta é a frase completa, ajudem-me a traduzir isto, por favor.