Objective To measure the take voltage and exposure time of diagnostic X-ray machine.
目的检测诊断X射线机的管电压和曝光时间。
There are different opinions and controversies about the first importation of X-ray diagnostic machine, which was imported into China.
关于中国第一台X光诊断机引进的时间,众说纷纭,莫衷一是。
There are different opinions and controversies about the first importation of X-ray diagnostic machine, which was imported into China.
关于中国第一台X光诊断机引进的时间,众说纷纭,莫衷一是。
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