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发表于 2016-1-6 15:47
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来自: 中国辽宁大连
Obstacles to be marked in these contrasting colours include any lattice tower
structures and crane booms which are close to the helideck or the LOS boundary.
Similarly, parts of the leg or legs of jack-up units adjacent to the landing area which
extend, or can extend, above it should also be marked in the same manner.
节选自CAP437,Chapter 4. |
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