C. The quench is performed with aqueous sodium hydrogen carbonate and ethyl acetate.

三是演出的淬火、乙酸乙酯碳酸氫鈉水溶液18禁黄网站禁片免费观看女女。

Anneal means to make harden steel soft and remove ''.

退火就是使淬火鋼變軟并消除其脆性人人操,人人草。

Anneal means make harden steel soft and remove ''.

退火就是使淬火鋼變軟并消除其脆性。

Anneal means make harden steel soft and remove brittleness.

退火就是使淬火鋼變軟并消除其脆性人人摸人人操日日碰。不適合

In order to improve anti-fatigue property of wire rope, poval solution sorbitized treatment by water quenching replacing by lead quenching has been studied in laboratory, and a heat treatment process to obtain fine and homogeneous sorbite and possess high micro-hardness has been found.

為了進(jìn)一步提高鋼絲繩的抗疲勞性能免费日韩黄色片品尚网，本文還進(jìn)行了用聚乙稀醇水溶液水浴淬火索氏體化處理替代鉛浴處理的實(shí)驗(yàn)室研究，找到了一種能使鋼絲得到細(xì)而均勻的索氏體組織和具有較高顯微硬度值的熱處理工藝91在线精品亚洲第一区香蕉99。

It is found that the fine tempering sorbite is obtained in condition of 930℃ direct quenching temperature and 640℃ tempering temperature after controlled rolling.

結(jié)果表明：經(jīng)奧氏體再結(jié)晶區(qū)和未再結(jié)晶區(qū)兩階段結(jié)合控制軋制后在線930℃直接淬火精品视频国产狼友第28页、640℃回火，鋼板可獲得均勻国产刺激福利在线、細(xì)小的回火索氏體組織性欧美野外激情，其綜合力學(xué)性能均超過標(biāo)準(zhǔn)要求。

The characteristic of the new process is heating under Acl temperature for suitable time to change lamellar Sorbite to ginger-like Sobite.

工具鋼在稍低于Acl溫度下不太長時間保溫72式免费一级A片视频播放器，可使珠光體片不完全球化女生被男生操的黄色网站，形成姜塊狀索氏體，淬火后得到馬氏體＋姜塊狀碳化物組織2018亚洲欧洲中文无码。

It is found that the fine tempering sorbite is obtained in condition of 930℃ direct quenching temperature and 640℃ tempering temperature after controlled rolling. The mechanical properties of SPV490 steel plate are above the standard requirement.

結(jié)果表明：經(jīng)奧氏體再結(jié)晶區(qū)和未再結(jié)晶區(qū)兩階段結(jié)合控制軋制后在線930℃直接淬火A片网站视频在线观看、640℃回火，鋼板可獲得均勻唐人呦一呦二在线播放、細(xì)小的回火索氏體組織女性自慰A级毛片，其綜合力學(xué)性能均超過標(biāo)準(zhǔn)要求。

The results show that: with the increase of tempered temperature, the quenched martensite transforms into the tempered martensite, tempered martensite + tempered sorbite and tempered sorbite; the strength of samples decreases continuously but yield ratio increases a little.

結(jié)果顯示：隨回火溫度的升高久久惹99精品，其組織由淬火馬氏體逐漸轉(zhuǎn)化為回火馬氏體色页视频、回火馬氏體+回火索氏體及回火索氏體；試樣的強(qiáng)度連續(xù)下降国产乱子露脸久久，屈強(qiáng)比略有上升www一级www刺激黄片。

Some weapons for pure iron or steel products, which shows that China as early as the Warring States period block Lian law has been popular, and has created this law is a sponge iron manufacture of high carbon steel by carbon technologies, and to the hands of China Quenching Technology Early age of two centuries.

有些兵器為純鐵或鋼制品，這表明中國早在戰(zhàn)國時期塊煉法已經(jīng)流行无码操人视频，并已創(chuàng)造出以此法得到的海綿鐵增碳素制造高碳鋼的技術(shù)国产精品露出走光福利，并把中國掌握淬火技術(shù)的年代提早了兩個世紀(jì)欧美中文字幕日韩综合。