精品国产18久久久久久,欧美一区三区,日本激情小视频在线观看,人妻va精品va欧美va

021-65682142
PRODUCTS CENTER

產品中心

當前位置:首頁產品中心本生燈SG-2000 high-quality Bunsen burner
high-quality Bunsen burner

產品簡介

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.

產品型號:SG-2000
更新時間:2017-07-05
廠商性質:生產廠家
訪問量:3039
詳細介紹在線留言

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

  • 產品:

  • 您的單位:

  • 您的姓名:

  • 聯(lián)系電話:

  • 常用郵箱:

  • 省份:

  • 詳細地址:

  • 補充說明:

  • 驗證碼:

    請輸入計算結果(填寫阿拉伯數(shù)字),如:三加四=7

掃碼加微信,了解最新動態(tài)

掃碼加微信
021-65682142

Copyright © 2025 上海碩光電子科技有限公司版權所有

技術支持:化工儀器網    sitemap.xml

滬公網安備 31011002005640號

精品国内自产拍在线观看视频| 婷婷久久综合九色综合色| 997在线观看视频国产| 国产午夜小视频在线观看| 无婷婷午夜码精品久久久| 欧美一区二区在线播放免费| 欧美日韩久久久精品a片| gv天堂gv无码男同在线观看| 无码精品国产第一区二区| 欧美日韩在线视频一区| 久久综合中文字幕日韩精品| 熟女少妇亚洲精品h久久| 精品久久久久久久精品三级| 国产免费人成在线视频| wwwww亚洲精品无码| 久久精品国产99国产精品| 久久久大少妇免费高潮特黄| 国内一级特黄女人精品片| 亚洲av午夜成人片精品| 国产 亚洲 欧美 一区| 亚洲国产另类久久久精品极| 日韩在线一区二区三区免费| 色婷婷狠狠18禁久久yy| 日韩美女成人伦在线观看| 18禁裸乳无遮挡啪啪无码免费 | 色综合久久88色综合天天| 国产乱视频在线观看| 亚洲欧美中文日韩在线视频| 国产免费AV片无码永久免费| 国产精品亚洲第五区在线| 亚洲男男猛男gayxxx| 日本老女人久久中文字幕| 精品久久久久久中字幕天码| 国产亚洲精品久久久久蜜臀| 国产爆乳精品美女短视频| 亚洲一区二区三区东京热| 91成人爽a毛片一区二区| 国产成人精品综合在线观看| 久久精品国产88精品久久| 天天躁恨恨躁夜躁2020| 曰曰摸天天摸人人看综合|