月牙凹 meaning in English
crater
Examples
- Molded grating is composed of fiberglass roving combined with a thermosetting resin series designed for different environments and applications smg series standard grating has a concave profile on the upper surface for skid resistance , grit tops are available upon request
采用玻璃钢模塑成型工艺，在大型金属模具上制作，制品带有许多对称的方形或矩形网格的板材，称为玻璃钢模塑格栅， smg为标准英制模塑格栅系列，按客户要求上表面带月牙凹型或石英砂防滑，也可以做成表面封闭。