1.
dead-hard steel
极硬钢, 高硬钢, 高强钢
2.
a very hard heat-resistant steel containing tungsten.
极硬抗热且含钨的钢。
3.
the iron carbide constituent of steel and cast iron; very hard and brittle.
铁的碳化物，组成钢和铸铁，极硬极脆。
4.
Diamonds are characterized by very great hardness.
金钢石的特点是硬度极高。
5.
High-carbon steels are called "hard".
高碳钢叫做“硬钢”。
6.
PS2040 A is suitable for turning, milling, boring and grinding of heat resistant steel, high nickel steel and stainless steel.
A 极压乳化油适合不锈钢、热钢、镍钢等高硬度金属材料的车削、削、孔、削等加工。
7.
A is suitable for turning, milling, boring and grinding of hard metal such as heat resistant steel, high nickel steel and stainless steel.
A 极压切削液适合耐热钢、镍钢和不锈钢等高硬度材料的车削、削、孔、削等加工。
8.
surface hardening steel
低淬透性钢, 浅淬硬钢, 表面硬化钢
9.
steel with a surface that is much harder than the interior metal.
表面比内部金属硬的钢。
10.
case hardening grade alloy gear steel
渗碳(皮硬)级合金齿轮钢
11.
as hard as steel
非常坚硬，坚强女口钢
12.
Study on Cutting Temperature under Ultrasonic Hard Turning 45 Hardened Steel
超声硬切削45淬硬钢的切削温度研究
13.
The more carBon the steel contains, the harder it Becomes.
钢的含碳量和钢的硬度成正比。
14.
steel has great tensile strength
钢有极高的抗拉强度
15.
Heat treated steels, alloy steels and free cutting steels. Part 11: wrought, case hardening steel
热处理钢、合金钢与易切削钢，第十一部分：锻造表面硬化钢
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.
Something that hardens, as a substance added to iron to yield steel.
硬化剂如加在铁上使其形成钢的硬化性物质
18.
Study on High Speed Cutting Hardened Steel with the Coated Insert (CN35);
硬质合金涂层刀具（CN35）高速车削淬硬钢的研究