underlayment

n.

地毯衬，屋面衬垫材料；衬底；

Underlayment
UNDERLAYMENT
Underlayment for roofs and walls. (Roofing).(Brief Article)
Under roof peel and stick tile underlayment
Tape underlayment rotary-node (TURN) valves for simple on-chip microfluidic flow control
Development of Tire Shred Underlayment to Reduce Groundborne Vibration from LRT Track
LONG-TERM PERFORMANCE OF ASPHALT UNDERLAYMENT TRACKBEDS FOR SPECIAL TRACKBED APPLICATIONS
Long-Term Performance of Asphalt Underlayment Trackbeds for Special Trackbed Applications
Interlaboratory comparison of formaldehyde emissions from particleboard underlayment in small-scale environmental chambers.
Numerical Simulations of Vibration Attenuation of High-Speed Train Foundations With Varied Trackbed Underlayment Materials