题目
A light siglinal consisting of three flashes means ______.
A.I an in doubt as to your actions
B.My engines are full speed astern
C.I desire to overtake you
D.I am operating astern propulsion
第1题
A.0→бcon
B.0→1.03бcon
C.0→бcon持荷2min→1.05бcon
D.0→1.05бcon持荷2min→бcon
E.0→1.03бcon持荷2minбcon
第3题
A.0→1.08σcon锚固
B.0→1.05σcon→持荷2分钟→σcon锚固
C.0→1.03σcon→σcon锚固
D.0→1.03σcon锚固
E.0→σcon
第6题
A.0→1.08σcon锚固
B.0→1.05σcon→持荷2分钟→σcon锚固
C.0→1.03σcon→σcon锚固
D.0→1.03σcon锚固
E.0→σcon
第7题
A.0-初应力(0.3σcon)-σcon
B.0-初应力(0.2σcon)-σcon
C.0-初应力(0.6σcon)-σcon
D.0-初应力(0.6σcon)-1.2σcon
第8题
A.0→初应力→102%σcon(持荷2min)→95%σcon→σcon
B.0→初应力→102%σcon(持荷2min)→90%σcon→σcon
C.0→初应力→105%σcon(持荷2min)→90%σcon→σcon
D.0→初应力→105%σcon(持荷2min)→95%σcon→σcon
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