fec新型防水涂料是一种无毒、无污染的新型水性防水涂料。

FEC waterproof paint is a new type nontoxic, nonpolluting, water based waterproof paint.

youdao

fec新型防水涂料是一种无毒、无污染的新型水性防水涂料。

FEC waterproof paint is a new type nontoxic, nonpolluting, water based waterproof paint.

youdao