Four interchangeable outer collimator helmets with beam channel diameters of 4, 8, 14, and 18 mm are available for irradiating different size volumes.
有四种可互换的平行盔状平行光管粒子管道可形成不同尺寸的治疗区域，它们的直径分别为4,8,14,18毫米。
Shots can be represented as different spheres. Four interchangeable outer collimator helmets with beam channel diameters of 4, 8, 14, and 18 mm are available for irradiating different size volumes.
射击的特征是形成不同的球体，四个外部互换照射仪头盔配有直径为4,8,14,18毫米的射线孔，以照射不同体积的病灶。
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