( )安全技術措施有消除危險源、限制能量或危險物質、隔離等
A、減少事故損失的C
暫無解析
______thenewplancanbecarriedoutwillbediscussedatthemeetingtomorrow.
______isrecognizedasthenationalflag-carrier.
We______theseminarsponsoredbyyouinSeptemberlastyear.
Thevisitingministerexpressedhissatisfactionwiththetalks,________thathehadenjoyedhisstayhere.
Theslightchangeofweathercan______herdelicatehealth
