单选题
有关使用除冰剂和抗菌剂的授权说明,请参阅“勤务”部分。
A
For instructions on authorization to use deicing and anti-bacterial agents, please refer back to Servicing.
B
For authorization for using deicer and antibacterial agent, refer to Service.
C
Authorization suggestions for using deicer and antibacterial agent can be referred in Service.
答案解析
正确答案:A
