lag.ging
n.(名词)
Insulation used to prevent heat diffusion, as from a steam pipe.
绝热材料:用来防止热量散失的绝热材料,如从蒸汽输送管上
A wooden frame built especially to support the sides of an arch until the keystone is positioned.
支拱板条:专门用来在拱顶石放置好以前支撑拱的两边木架子
来源:
From lag 2
源自 lag2