A、用犬夹夹住颈部,使犬头向上,再套上犬链
B、用犬夹夹住头部,使犬头向上,再套上犬链
C、用犬夹夹住颈部,使犬头向下,再套上犬链
D、用犬夹夹住头部,使犬头向下,再套上犬链
E、用犬夹夹住颌部,使犬头向下,再套上犬链
A、用犬夹夹住颈部,使犬头向上,再套上犬链
B、用犬夹夹住头部,使犬头向上,再套上犬链
C、用犬夹夹住颈部,使犬头向下,再套上犬链
D、用犬夹夹住头部,使犬头向下,再套上犬链
E、用犬夹夹住颌部,使犬头向下,再套上犬链
时间:2021-09-05 20:26 关键词: 动物实验技术 病理学技术(主管技师)