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March 1960, the Secretary for the successful development of a charcoal powder as the main raw materials of "603" drug-free carburizing agent for liquid carburizing, a domestic initiative and promote the use of the country, replacing imported products. 1978, the Division I-IF heat treatment of geological drilling results, the General Assembly by the National Science and Technology Award. November 1983, held in Shanghai in the third international material, heat treatment, when there are several hundred Chinese and foreign experts to the Division I visited. 1986, I was the Secretary for the first heat treatment in the production license. 1987, Secretary of precision gear chemical heat treatment projects, scientific and technological progress in the third place. 1989, I was named Division II national enterprises, is the same industry in the first. 1990, the multi-sensor film coating mouth heat treatment results in the revitalization of the first prize.

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散貨船的舷側(cè)結(jié)構(gòu)是整個船體結(jié)構(gòu)中最薄弱的環(huán)節(jié)之一久久黄色大片视频免费无码，目前絕大多數(shù)散貨船為單殼結(jié)構(gòu)日韩性视频网站，根據(jù)多年的散貨船事故統(tǒng)計顯示，在艙口蓋欧美一级A片色视、管系精品熟女少妇AV免费久、甲板、舷側(cè)外板亚洲欧美日韩国产综合在线、船底結(jié)構(gòu)等諸多損傷中欧美一级性爱aaa片，單殼散貨船的舷側(cè)外板事故率是最高的。

For bulk carriers, the side shell is one of the weakest parts of the hull. Most ofprevious bulk carriers are single-hull bulk carriers, according to the casualty statisticsof bulk carriers, the accident rate of the side shell of the single-hull bulk carriers ishighest among hatch, pipe, deck, side shell and bottom etc.

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The detection is based on the change of electrode potential before and after the antigen-antibody reaction.

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