1.
Conclusions Short exposure to high concentration of black fused alumina may cause serious aluminosis to the exposers.
结论短期、浓度接触黑刚玉粉尘可引起严重的铝尘肺。
2.
Black colour, its hardness is higher than that of WA, its toughness is a bit lower.
黑色，有光泽，硬度比白刚玉高，韧性较低。
3.
The maize and millet were just putting forth ears.
玉米栗子刚刚抽穗。
4.
Effects of corundum granularities on properties of Al_2O_3-ZrB_2 porous plug
刚玉粒度对刚玉-ZrB_2透气砖性能的影响
5.
a hard gary-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper).
一种坚硬的灰黑色矿物，由刚玉和赤铁矿或磁铁矿构成，用作研磨剂（尤其用在砂纸外表）。
6.
Rhodium-plated clip earrings with Indian Sapphire Satin in the new long classic oval cut and Black Diamond crystal pavé.
铑被镀的夹子耳环与印第安青玉缎在新长经典长圆形裁减和黑金刚石水晶铺。
7.
blue corundum resin cutting grinding wheel
青刚玉树脂切割砂轮
8.
Cal synthetic ruby
GB/T4051-1997红色人造刚玉
9.
He had finished gouging out a cob,
他刚挖空一只玉米棒子，
10.
A fine - grained impure corundum used for grinding and polishing.
刚玉粉，金刚砂用于磨粉和打光的一种细磨的不纯的刚玉粉
11.
a smut fungus attacking Indian corn.
侵袭玉米的黑穗病菌。
12.
become affected with smut, as of corn.
玉米变脏因为患有黑穗
13.
A hired hack an' a free issue nigger!
一辆野鸡车和一个刚刚冒出来的黑鬼！
14.
A: I just realized that I should start using a Blackberry.
我刚刚才知道我应该开始用黑莓机。
15.
Relating to or designating corundum that resembles another stone in color.
刚玉的关于或表示在颜色上类似另一块石头的刚玉的
16.
A basic variety of aluminium oxide, white colour its hardness is higher and toughness slightly lower than that of A.
刚玉的基本品种，白色，与棕刚玉相比，硬度高、性稍低。
17.
Derived from A with small crystal size.The grain is composed of fine crystalline blocks with high streath .
棕刚玉的派生品种，磨料由微小晶体构成,颜色与棕刚玉相似，强度高。
18.
Derived from WA, rose colour. Its toughness is greater than that of WA. Hence wheel corner can be well held.
白刚玉的派生品种，玫瑰红色，比白刚玉韧性高，棱角保持好。