grain grade

基本解釋

Fine grain grade with high hardness and high toughness.
具有高硬度和高靭性，晶粒度爲(wèi)細(xì)級(jí)別的牌號(hào)。
The breakage of corn in bulk grain handling system is a severe problem that reduce the grain grade and quality.
在散糧輸送系統(tǒng)中玉米的破碎是一個(gè)引起降等的嚴(yán)重問(wèn)題。
The results show that there are higher grain grade and hardness, lower dilution and better performance of resistance to abrasion, wear and anti-erosion in the laser cladding layer.
激光熔覆層中的組織晶粒度和硬度高，稀釋率低，抗摩擦磨損和抗腐蝕性能好；