Thursday, September 22, 2022
船舶在能见度不良时、视程小于5n mile的海域航行时()...
Thursday, September 22, 2022
Wednesday, September 21, 2022
Friday, September 16, 2022
船员基本安全培训,是指船员在上船任职前接受的()等方面的培训。...
Thursday, September 22, 2022
回转式甲板起重机操作主令中,控制吊臂变幅和塔架旋转为双主令:即手柄向前,幅度()手柄向后,幅度 ()。...
Thursday, September 22, 2022
钢丝缆的质量证书或国家标准中所查得破断负荷是单根钢丝破断负荷的总和,而拧成绳索后,它的破断强度只有上述的()。...
Wednesday, September 21, 2022
问答题按照《船员培训管理规则》的规定,船员培训是如何分类的?...
Monday, November 7, 2022
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船舶在能见度不良时、视程小于5n mile的海域航行时()...
Thursday, September 22, 2022
Friday, September 16, 2022
双杆作业的吊杆负荷最多只能看作是单杆作业的60%,其主要原因是吊杆受到()。...
Thursday, September 22, 2022
Thursday, September 22, 2022
Thursday, September 22, 2022
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Tuesday, September 20, 2022
天津港南疆港区除港务局和渤海石油公司码头外,还包括以下哪些码头?()...
Thursday, September 15, 2022
Thursday, September 22, 2022
Monday, September 19, 2022
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