The oil quantity for bearing lubrication should be applied in such an amount as to be sufficient to carry away the () caused by the friction at the bearings. ["acids","additives","heat","gear"]
下列哪些标志应该在救生艇上标明()? ["救生艇上应该标明艇的编号、艇的所属公司、艇的额定乘员","救生艇上应该标明艇的编号、艇的规格、艇的额定乘员","救生艇上应该标明艇的规格、艇的额定乘员、艇的所属公司"]
A lifeline must be connected to the liferaft (). ["at the bow","at the stern","in the middle","all around"]
盛装气胀式救生筏的容器应该标明下列哪些标志:()。 ①制造厂名、商标; ②检验机关名称; ③乘员定额; ④《SOLAS公约》的相关规定; ⑤首缆的长度; ⑥最大允许的存放高度; ⑦最近检修日期; ⑧降放须知等。 ["盛装气胀式救生筏的容器应该标有①②③④⑤⑥⑦⑧标志","盛装气胀式救生筏的容器应该标有②④⑥⑦⑧标志","盛装气胀式救生筏的容器应该标有①②③⑥⑦⑧标志"]
炭化室的压力原则什么?如何保证?
MSC间切换分为()和()。