zhè / xiàng / chǎn / pǐn / bèi / guī / rù / yǐ / zhǒng / shì / yòng / de / shōu / fèi / biāo / zhǔn / bù / tóng

这项产品被归入乙种，适用的收费标准不同。

This product is classified as type B and is subject to a different fee schedule.