| 释义 |
lag·ging AHD[lăgʹĭng] D.J.[ˈlægɪŋ]K.K.[ˈlægɪŋ]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
- From lag 2源自 lag2
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