1.
a hard surface that won't scuff
不会磨损的坚硬表面
2.
You can probably hear a fake coin just by dropping it on a hard surface.
你能够通过听硬币落在坚硬表面上的声音来辨别硬币。
3.
Hardfaced seating surfaces, large diameter hinge pins, and corrosion resistant bearing surfaces help lengthen operating life in tough surfaces.
经过硬面处理的阀座表面，大直径铰链销，以及防腐蚀轴承表面，有助于延长坚硬表面的使用寿命。
4.
A material encrusted on a surface.
硬壳表面表面的硬壳状物
5.
hard banding of tool joint
钻杆接头表面加硬圈
6.
To harden the surface of(a metal.
使（金属的）表面硬化
7.
isothernal transformation case hardening
等温转变表面硬化处理
8.
steel with a surface that is much harder than the interior metal.
表面比内部金属硬的钢。
9.
hard facing of tool joint
钻杆接头表面加硬层
10.
diamond cone superficial hardness tester
金刚石锥表面硬度计
11.
surface hardening steel
低淬透性钢, 浅淬硬钢, 表面硬化钢
12.
The hard outer portion or surface area of bread.
面包皮面包的表面区域的硬皮
13.
A piece of bread consisting mostly of the hard outer portion.
硬面包片主要由外表硬皮构成的面包片
14.
Metallic materials Hardness test Tables of Vickers hardness values for use in tests made on flat surfaces
金属材料－－硬度试验－－平面试验用维氏硬度值表
15.
Metallic materials - Hardness test tables of Brinell hardness values for use in tests made on flat surfaces
金属材料－－硬度试验－－平面试验用布氏硬度值表
16.
The procedures of heat treatment of steel include hardening,tempering,annealing and case hardening.
钢的热处理工序包括硬化、回火、退火和表面硬化。
17.
An Experimental Research on the Surface Roughness by Dry Cutting of Hardened Steel SKD11
硬态干式车削淬硬钢SKD11表面粗糙度试验研究
18.
Innovative laser processing (surface hardening, surface alloying and cladding)
激光加工(表面硬化、表面合金化以及涂覆)