欧美a网站,成人移动电影蜜臀,韩日香港精品视频,乱人伦激情三十分钟

021-65682142
PRODUCTS CENTER

產(chǎn)品中心

當(dāng)前位置:首頁產(chǎn)品中心本生燈SG-2000 high-quality Bunsen burner
high-quality Bunsen burner

產(chǎn)品簡(jiǎn)介

SG-2000 Series burner can be used to heating non-flammable object or solution,It can be used to heating the object to the high temperature. The maximum temperature close to 1900 ° C.

產(chǎn)品型號(hào):SG-2000
更新時(shí)間:2017-07-05
廠商性質(zhì):生產(chǎn)廠家
訪問量:3175
詳細(xì)介紹在線留言

SG-2000 series of high-quality Bunsen burner is the company to meet the needs of various types of laboratory,Carefully designed and refined the production process technology. With high thermal efficiency, safety and good highlight the advantages of low cost, The price is far lower than can achieve the same level of quality of imported products, is that you select the ideal product in  Laboratory equipment. Bunsen burner is a very practical and useful tool in the chemical laboratory. Bunsen burner commonly used in high-temperature heating tools  in the laboratory, Bunsen burner is  invented by a physicists and chemists who called  Farah at the end of British in the nineteenth century.in 1850.it has been improved by a famous German chemist named Robert Bunsen • (RobertWilhelmBunsen). So called Bunsen burner.and Was widely used. Bunsen burner is a gas, natural gas and other combustible gas mixture of air burning metal lamps,Can safely burn the gas,F(xiàn)lame does not turn the clock back into the gas supply pipe,Be used to heating the reactants
Technique parameter:
SG-2000 Series burner can be used to heating non-flammable object or solution,It can be used to heating the object to the high temperature. The maximum temperature close to 1900 ° C.
 

在線留言

留言框

  • 產(chǎn)品:

  • 您的單位:

  • 您的姓名:

  • 聯(lián)系電話:

  • 常用郵箱:

  • 省份:

  • 詳細(xì)地址:

  • 補(bǔ)充說明:

  • 驗(yàn)證碼:

    請(qǐng)輸入計(jì)算結(jié)果(填寫阿拉伯?dāng)?shù)字),如:三加四=7

掃碼加微信,了解最新動(dòng)態(tài)

掃碼加微信
021-65682142

Copyright © 2025 上海碩光電子科技有限公司版權(quán)所有

技術(shù)支持:化工儀器網(wǎng)    sitemap.xml

滬公網(wǎng)安備 31011002005640號(hào)

不卡的欧美一区| 亚洲国产美女高潮久久久| 自拍 欧美 日韩 99| 亚洲欧美日韩一本道| 美日韩二区| 第一页| 嗯啊av躁| www.欧美互换| 后入美丽人妻| 欧美日韩淫荡乱| 欧美日韩aaa一二三| 成人性生活短视频免费1区2区3区| 色网站久久婷婷| 欧洲码和亚洲码在线播放| 正在播放蜜臀av| 亚洲一二三四区不卡了吗?| 日韩午夜AV在线免费观看| 久久裸少妇| www.艹逼| 婷婷激情伊人| 日韩一区二区色| 国产嫩比视频| 久人澡人人添人人爽| 麻豆成人AV电影在线观看| 少妇操穴内射一区二区| 成人激情aⅴ| 在线电影无码中文字幕| 亚洲欧美激情图| 天堂欧洲精选AV| 日本午夜黄色片| 日本一道本A V在线| 日本不卡不卡亚洲不卡| 超碰青caoporn| 日韩人妻在线口| 日韩一本一道无码专区| 国产欧美亚洲天堂一区二区| 日韩中文欧美日韩| 亚洲精品视频二区四区五区六区| 国产一区二区三区奇米久涩| 日本色道网视频| 久久久久久久三级三级|