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二级建造师和一级建造师证书区别办证刻章+薇：hao123bbs

Side view of a merry female and a male constructor greeting each other at the building site

a path in the middle of a forest at night

a close up of flowers on a tree branch

Young female builder and experienced foreman in hardhats and workwear discussing sketch on blueprint by stack of building materials

people sitting on chair inside library

a construction worker writing on a concrete wall

a bird perched on a branch of a tree with pink flowers

Civil engineer standing on a construction site, carefully studies important work documents

a blue plate topped with sandwiches and a salad

a sign on the side of a building on a city street

time lapse photography of city lights during night time

a small statue of a person sitting in a field of leaves

a close up of flowers on a tree branch

people sitting on chair inside library

a view of a lush green forest with a mountain in the background

Civil engineer standing on a construction site, carefully studies important work documents

a very colorful building with a very tall ceiling

time lapse photography of city lights during night time

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African American engineer in workwear looking upwards at highrise condo while standing on construction area against building

African american people packing products in boxes before doing quality control to ship merchandise. Warehouse employees checking inventory and stock logistics, retail shipment. Handheld shot.

Cropped photo group of two person in formalwear shirt stand at the table in light loft interior workplace make modern renovation look at blank on room pointer on structure document by pencil

Young female worker of construction site holding sandwich and mug with hot tea while sitting on stack of building materials at lunch break

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African American engineer in workwear looking upwards at highrise condo while standing on construction area against building

African american people packing products in boxes before doing quality control to ship merchandise. Warehouse employees checking inventory and stock logistics, retail shipment. Handheld shot.

Cropped photo group of two person in formalwear shirt stand at the table in light loft interior workplace make modern renovation look at blank on room pointer on structure document by pencil

Young female worker of construction site holding sandwich and mug with hot tea while sitting on stack of building materials at lunch break

a man and a woman wearing hard hats and safety vests

a man in an orange safety vest holding a piece of paper

With arms crossed. Construction worker in uniform and safety equipment have job on building.

Architect, civil engineer and worker looking at plans and blueprints, discussing issues at the construction site.

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