Tshuaj Muaj Pesticides Cov Tshuaj Tua Kab Ntau Lawm

Tshuaj Muaj Pesticides Cov Tshuaj Tua Kab Ntau Lawm

Sodium fluoride, sodium fluorosilicate, barium fluorosilicate thiab sodium fluoroaluminate yog siv los ua tshuaj tua kab, thiab potassium fluorosilicate yuav siv rau cov tshuaj no. Taw qhia: Cov lus piav qhia txog khoom: Kev Ntsuas Lus:

Tsham tam sim no