2) smudge
[英][smʌdʒ] [美][smʌdʒ]
黑灰
1.
Effect of sludge on degree of smudge and corrosion resistance of tinplating;
镀液锡泥对黑灰程度及镀层耐蚀性的影响
2.
Effect of electrolytic passivation on degree of smudge on tinplating steel sheet;
电解钝化对镀锡钢板黑灰程度的影响
3) black ash
黑灰
1.
The "black ash" was obained from the reduction of barite by coal powder and the suitable technological conditions are found and the products prepared come up to medical standards.
以山西运城盐湖晒盐遗留的“硝板”和煤粉还原重晶石所得的“黑灰”为原料,制取沉淀硫酸钡,产品达到医用标准,并得出了适宜的工艺条件。
4) black water/ash water
黑水/灰水
5) blackbox-greybox
黑箱-灰箱
6) Grey-black moth
灰黑蛾
1.
Breeding of grey-black moth basic silkworm racesand the productive performance of hybrid;
灰黑蛾基础蚕品种的育成及其杂交种生产性能测定
补充资料：灰黑
1.浅黑色。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条