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交通行业工人技术等级标准 公路运输与公路养护 汽车空调维修工
Technical grade standards for workers in the communications industry -- Highway transportation and highway maintenance -- Maintenance workers automotive air conditioner system
价格：￥0.00
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交通行业工人技术等级标准 公路运输与公路养护 公路巡道工
Technical grade standards for workers in the communications industry -- Highway transportation and highway maintenance -- Highway patrol men
价格：￥0.00
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交通行业工人技术等级标准 公路运输与公路养护 公路渡口渡工
Technical grade standards for workers in the communications industry -- Highway transportation and highway maintenance -- Highway ferry workers
价格：￥0.00
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交通行业工人技术等级标准 公路运输与公路养护 公路监控设备操作工
Technical grade standards for workers in the communications industry -- Highway transportation and highway maintenance -- Highway survey and control equipment operating workers
价格：￥0.00
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交通行业工人技术等级标准 公路运输与公路养护 乳化沥青工
Technical grade standards for workers in the communications industry -- Highway transportation and highway maintenance -- Emulsifed bitumen workers
价格：￥0.00
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交通行业工人技术等级标准 公路运输与公路养护 隧道养护工
Technical grade standards for workers in the communications industry -- Highway transportation and highway maintenance -- Tunnel maintenance workers
价格：￥0.00
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交通行业工人技术等级标准 公路运输与公路养护 公路养护工
Technical grade standards for workers in the communications industry -- Highway transportation and highway maintenance -- Highway maintenance workers
价格：￥0.00
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机动车驾驶培训机构资格条件
Qualifications for the vehicle driving training organization
价格：￥0.00
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高速公路LED可变限速标志技术条件
Specification for light-emitting diode changeable speed limit signs of expressway
价格：￥0.00
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高速公路LED可变信息标志技术条件
Specification for light-emitting diode changeable message signs of expressway
价格：￥0.00
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