权威例句
Innerspring
Innerspring
An innerspring unit
Innerspring assembly with edge reinforcement
Foam encased innerspring with internal foam components (triple case)
SPRING STRUCTURE FOR A MATTRESS INNERSPRING HAVING COAXIAL COIL UNITS
Method and apparatus for manufacturing innerspring constructions
Short-term outcomes of chronic back pain patients on an airbed vs innerspring mattresses.
NASA pressure-relieving foam technology is keeping the leading innerspring mattress firms awake at night
Internal mattress wall structures interlockingly engageable with mattress innerspring assemblies