用于各种机织物、针织物和土工布的厚度测定。 。

Used for measure thickness of various kinds of woven and knitting goods as well as geotenile.

youdao

用于各种机织物、针织物和土工布的厚度测定。 。

Used for measure thickness of various kinds of woven and knitting goods as well as geotenile.

youdao