维护、保养、检测应当作好记录，并由有关人员签字。

Records for maintenance, service and test shall be kept and be signed by the persons concerned.

youdao

维护、保养、检测应当作好记录，并由有关人员签字。

Records shall be made for the services, to which the signature of relevant persons shall be affixed.

youdao

维护、保养、检测应当作好记录，并由有关人员签字。

Records shall be made for the services, to which the signature of relevant persons shall be affixed.

youdao