词汇	携带式X线发生器
释义	携带式X线发生器医portable x-ray generator
随便看	in the past four years in the past half-century In the past,I never had to do much laying off In the past, I never had to do much laying off In the past kitchen knives were made in a forge In the past life you are a complete contributor in the past months in the past nine days in the past nine months in the past nine weeks in the past nine years in the past seven days in the past seven months in the past seven weeks in the past seven years in the past several days in the past several months in the past several weeks in the past several years in the past six days in the past six months in the past six weeks in the past six years in the past ten days in the past ten months