()is not the main function of CCS.
A. ship products survey
B. notarization survey
C. ship safety inspection
D. counseling service and publishing ship name list
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预制盖板对角偏差要求在()。
A. ±5mm
B. 5mm
C. 10mm
交感舒血管神经作用于骨骼肌血管的受体是()
A. M受体
B. N1受体
C. N2受体
D. α受体
E. β受体
中国古代的著名音乐歌曲《玉树后庭花》与陈叔宝的哪位贵妃有关?
The two vessels underway may collide with(),if they don’t take immediate measures.
A. One to another
B. One the other
C. Each the other
D. Each other