They say hydrogen peroxide or carbamide peroxide may also help .

过氧化氢或过氧化脲也可以起到帮助。

Synthetic carbamide ring tanning agent no.1 .

脲环1号合成鞣剂。

Urea hydrogen peroxidecarbamide per hydrate , carbamide peroxide , hydrogen peroxide .

过氧化氢尿素供应过氧化氢尿素。

In-quota tariff rate for carbamide , compound fertilizer and diammonium hydrogen phosphate is 1 % .

对尿素、复合肥、磷酸氢二铵三种化肥的配额税率执行1%的税率。

They say the wax can be softened with mineral oil , glycerin or ear drops . They say hydrogen peroxide or carbamide peroxide may also help .

他们指出矿物油、甘油和滴耳液可以软化耳垢，过氧化氢和过氧化脲也有帮助。