翻译 帮个忙? the recommended ice penetration apparatus consists of a 1/2- x2- x 8-in (1.25-x 5.08-x 20.32 cm) plexiglas® plate cemented to a base 1 112 in. (3.81 cm) wide x 1/4 in. (0.635 cm) thick x 8 in. (20.32 cm) long with the 2-in. (5.08 cm) dimension in a vertical position. ten 35-mm deep cavities are drilled in the center of the plate at 17-mm spacings with a 5/32-in. drill. these cavities are then enlarged in a countersink fashion to yield a surface cone 10 mm in diameter and 5 mm long at the point of intersection of the cone with the 5/32-in cavity. 意思是在一个有机玻璃板上挖十个洞 洞的长度是三十五毫米 洞的直径就是钻头直径即5/32英寸 (一英寸等于2.54厘米),也就是洞的直径是0.4厘米(2.54x5/32=0.4cm), 将每个洞口扩大打一个十毫米的锥形 文中说 5mm long 是什么长度? 文中红字怎么翻译?查看更多