ๆญคๅค๏ผASTEC Engineering ่ฟๅบไบๆฐข่ฝๆ็ตๅ ็ญๆๆฏ๏ผๅผๅไบๆฐไธไปฃ็้
ธๅท้พ็็งๆๆฏใ
่ฟไบๆนๆกๅทฒ็บณๅ
ฅๅค้กนๅฝ้
ๆๆ ้กน็ฎใ
ๆๆฐไธไปฃ็ASTECๅท้พ็็ง็่ๅไบ็ฑASTEC Engineering่ชไธป็ ๅ็ไธ็ณปๅไธๆๆๆฏใ่ฟไบๅๆฐๆๆฏๅจๆพ่ๆๅๅทฅ่บๆ็็ๅๆถ๏ผ่ฟๅฎ็ฐไบๆไฝ็HClใNOโๅ็ฒๅฐๆๆพ้ใ
