A、half-mast
B、dip the mast
C、flag line
D、flag mast
更多“It shows mourning when you lower（）(半旗).”相关的问题
A、It shows the total size of the index row B、It shows how many columns in the index are examined C、It shows the number of characters indexed in the key D、It shows how many bytes will be used from each index row
A、need not show the lights for a vessel engaged in towing，if it is impractical to do so B、may show the lights for a vessel not under command C、must show a yellow light above the stern light D、must show the lights for a vessel towing
A、A.need not show the lights for a vessel engaged in towing，if it is impractical to do so B、B.may show the lights for a vessel not under command C、C.must show a yellow light above the stern light D、D.must show the lights for a vessel towing
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