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交通行业工人技术等级标准 航道疏浚 航道潜水工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Waterway divers
价格:¥0.00
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交通行业工人技术等级标准 航道疏浚 疏浚统计工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Statistics men
价格:¥0.00
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交通行业工人技术等级标准 航道疏浚 沉排、抛石工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Sinking of rafts and riprap workers
价格:¥0.00
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交通行业工人技术等级标准 航道疏浚 绞摊工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Capstan workers
价格:¥0.00
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交通行业工人技术等级标准 航标航测 内河航标工
Technical grade standards for workers in the communications industry -- Aids to navigation and hydrographic survey -- River visual aids maintainers
价格:¥0.00
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交通行业工人技术等级标准 航标航测 测深仪修理工
Technical grade standards for workers in the communications industry -- Aids to navigation and hydrographic survey -- Depth-sounder repairmen
价格:¥0.00
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交通行业工人技术等级标准 航标航测 无线电导航机电工
Technical grade standards for workers in the communications industry -- Aids to navigation and hydrographic survey -- Radio navigation electric generater operators
价格:¥0.00
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交通行业工人技术等级标准 交通工业 航标灯泡排气工
Technical grade standards for workers in the communications industry -- Communications industry -- Workers for exhaustion of lamp
价格:¥0.00
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水上安全监督站配布条件及设施设备配备要求
The requirement for the disposal condition of maritime superintendency stations and related facilities
价格:¥0.00
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交通行业工人技术等级标准 航标航测 无线电导航发射工
Technical grade standards for workers in the communications industry -- Aids to navigation and hydrographic survey -- Radio navigation transmitter operators
价格:¥0.00
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