词典 / 科技
grain grade
暂无补充释义。
具有高硬度和高韧性，晶粒度为细级别的牌号。
granite
grain
grain(ed) tin
grain surface
coarse grain
rate of avoltive grain
cross-section of grain【粮食】;cross-sectional area of bulk grain【粮食】;
补充或纠正词条 →