The phrase "assembled sections" is correct and usable in written English.
It can be used to refer to parts that have been put together or constructed from separate components.
Example: "The assembled sections of the model were displayed at the exhibition, showcasing the intricate design."
Alternatives: "constructed parts" or "joined segments".
Toyota Motor has been asking its suppliers for years to deliver partly assembled sections of cars, and it dramatically reduces the number of assembly plant workers that are needed.
In Saint-Nazaire in western France, the ship exchanges the fuselage sections from Hamburg for larger, assembled sections, some of which include the nose.
The retinal location of the digitally assembled sections were registered against a color fundus photograph using vascular landmarks.
In particular, Gibson et al. recently assembled sections of the Mycoplasma genitalium genome (each 136 to 166 kb) using overlapping synthesised oligonucleotides.
I know your father described his method as assembling sections of a puzzle.
The parkland was assembled in sections, starting in 1970, and opened in 1972.
Unusually, Frey left these very last works -- assembled in sections because of their size -- untouched by color; as the end of her life approached, she knew she didn't have enough time to apply the glaze.
"We designed the tower so that it could be assembled in sections each 4.5 metres high," says Balmond. "There's been no scaffolding; each piece has been lifted and connected to the next.
Shotz took this information to a fabricator — DCM Fabrication in Brooklyn — where the aluminum and acrylic were cut and the pieces assembled into sections that together form the three parts making up the sculpture.
In the hangar-like Royal Opera House workshop large enough to accommodate two full-sized theatrical backcloths laid out flat on the floor—sets are assembled in sections, to fit into lorries.
The cranes consisted of telescopic poles assembled in sections which measured around 6 feet when collapsed, but when extended using a hand crank were 46 feet long, meaning that all of the station's modules could easily be accessed during spacewalks.
