Is the material single width or double width?

这幅料子是单幅的还是双幅的？

youdao

This is a single fracture that is very small, like the width of a hair.

VOA: special.2009.02.04

Nereus, on the other hand, uses rechargeable lithium-ion batteries, similar to those used in laptop computers, for power and a single hairs-width fibre optic cables - borrowed from Torpedoes - for control and telemetry.

BBC: Robot sub aims for deepest ocean

While a single, bed-width cushion creates an orderly line, a pair of bolsters one for each half of the bed makes more sense for bedmates with opposing propping needs.

WSJ: Bolster Cushions Win Best Supporting Rolls

Silicon has been the favored insulator for tiny wires and switches ever since, even as successive generations of chip wires and switches have been shrunk to the width of a single wavelength of light.

FORBES: Magazine Article