| 释义 |
Sash balance Sash balanceIn double-hung windows, a device usually operated with a spring, designed to counterbalance the window sash without the use of weights, pulleys, and cords.sash balanceA spring-loaded device, usually a spring balance or tape balance; used to counterbalance a sash in a double-hung window; eliminates the need for sash weights, sash cords, and pulleys. |