常見例句SEA ENGINEERING GEOLOGICAL EXPLORATION DRILLING RIG HGD TYPE 海洋工程地質(zhì)勘察鑽機(jī)HGD系列Performance comparison of HGD non-cyanide zinc immersion solution and marketable non-cyanide zinc immersion solution HGD無氰浸鋅溶液與市售無氰浸鋅溶液性能比較HGD gene HGD基因 返回 HGD