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交通行业工人技术等级标准 航道疏浚 疏浚测量工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Dredge surveying 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 工程船舶水手
Technical grade standards for workers in the communications industry -- Waterway dredging -- Sailors
价格:¥0.00
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交通行业工人技术等级标准 航道疏浚 扎笼、扎排工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Binding of rafts 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 航道信号工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Signal direct 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 疏浚管线工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Delivery pipeline 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 船闸工
Technical grade standards for workers in the communications industry -- Waterway dredging -- Navigation lock workers
价格:¥0.00
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