Khoom profile Cov cuab yeej yog ib hom tshiab ntawm α thiab β qhov chaw tiv thaiv kab mob (Internet version), nws txais kev tsim txhua yam, tsim-hauv kev sojntsuam siv tshwj xeeb tsim dual flash detector ZnS (Ag) txheej, yas scintillator siv lead ua, nrog kub. , humidit...
Nyeem ntxiv