题目内容
(请给出正确答案)
[单选题]
排放物;发出()
A.immigration
B.submission
C.mission
D.migration
答案
C、mission
A.immigration
B.submission
C.mission
D.migration
C、mission
第2题
A.电磁阀SV15通电
B.电磁阀SV16通电
C.电磁阀SV10通电
D.电磁阀SV1通电