Individual electrical symbols are provided in this specification as a suggestion for those who do not have an established code.
选项:
A: As a suggestion for those who do not have an established code, individual electrical symbols are required in this specification.
B: As a suggestion for those who do not have an established code, individual electrical symbols are gained in this specification.
C: In this specification, for those who do not have an established code, individual electrical symbols are given as a suggestion.
发布时间:2024-06-08 14:46:25