Poor water resistance and high formaldehyde emission (FE) are two main problems of the medium density fiberboard (MDF) produced in our country.是什么意思_Poor water resistance and high formaldehyde emission (FE) are two main problems of the medium density fiberboard (MDF) produced in our country.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句