ລາຍລະອຽດ

ຄຳອະທິບາຍເນື້ອຫາ: the chemical structure of sodium chloride is shown in a black and white drawing on a white background .

ຂະໜາດໄຟລ໌: 573KB

ໄລຍະເວລາ: 3.100 sec

ຂະໜາດ: 498x278

ສ້າງແລ້ວ: 4/17/2022, 6:34:12 PM