China
China
of
of
of
of
of
Standardization
Administration
Administration
And
And
the
the
Republic
Republic
General
Quality
Supervision,Inspection
Quarantine
People's
People's
归口单位：
for
SAC/TC
Technical
Committee
on
of
of
Standardization
Administration
And
Systems
278(National
278
Electric
Equipment
Railways
China).
主管部门：
for
SAC/TC
Technical
Committee
on
of
And
Systems
278(National
278
Electric
Equipment
Railways
Standa
提出部门：
National
of
of
Administration
China.
the
Republic
Railway
People's
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