常見(jiàn)例句This primary bone tumor mainly occurs in the diaphysis of long bones of children and young adults.There is a slight male predominance.這種原發(fā)性骨腫瘤主要見(jiàn)於兒童與青少年的長(zhǎng)骨骨乾，稍多見(jiàn)於男性。long bone diaphysis fractures in lower limbs下肢長(zhǎng)骨乾骨折 返回 diaphyses