The influence of SG inoculant on graphitizing annealing of malleable cast iron was investigated.研究了SG变质剂对可锻铸铁石墨化退火的影响.The irradiation stability of bitumen and bituminized producthas been investigated.本文研究了沥青及沥青固化产品的辐照稳定性...
The two officers were being investigated by the director of public prosecutions.两名警官正在接受检察官的审查。The manager asked him to hold on while he investigated.经理让他稍等一会儿，他去调查一下。He was being investigated for receiving bribes.他因收受贿赂...