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(chǎn)品中心

當(dāng)前位置:首頁產(chǎn)品中心本生燈Bunsen burner
Bunsen burner

產(chǎn)品簡(jiǎn)介

Bunsen burner can be used to heating the non combustible objects or solution. It can be used to heating the object to the high temperature. Maximum temperature is close to 1900 ° C.

產(chǎn)品型號(hào):
更新時(shí)間:2017-07-05
廠商性質(zhì):生產(chǎn)廠家
訪問量:3844
詳細(xì)介紹在線留言

The company produces a series of Bunsen burner,it Is based on the requirements of various types of science laboratory, High quality materials, processed with advanced technology. Has heating efficient, uses safety but inexpensive advantages, Prices far below achieve equal quality levels imports product standards, that Is you choose Excellent ideal programs in Experimental equipment.
Bunsen burner () is one of the common temperature heating tools in Science Laboratory. The tool is named after Robert •  William • Bunsen. The inventor is his assistant Peter Desdega. He first made a paragraph heater. And Faraday improved it in 1855. can burn gas safely.
Flame will not be back into the gas supply pipe. Fuel is usually coal gas or natural gas, propane gas, etc.
Product Features:
can be used to heating the non combustible objects or solution. It can be used to heating the object to the high temperature. Maximum temperature is close to 1900 ° C.
Because the heating temperature higher than the alcohol lamp, Therefore, the lamp must be used more heat-resistant material of metal. Also, because its fuel is gaseous at room temperature.Use should pay special attention to the safety of pipelines. used to pay attention to use of safety. You must first check whether all the switches in the closed state before use it. Sure all switches are closed state, Can open master switch.
 

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)

亚洲无码电影院| 国产成人精品白浆久久69| 国产亚洲欧美精品久久久久| 亚洲欧美妆和亚洲妆的区别| 69堂最新国产精品视频| 亚洲一区二区久久av网站| 丰满岳乱妇在线观看| 国产精品一区二区久久干| 永久免费不卡在线观看黄网站| 在线播放大黑屌大干人妻| 91精品国产高清自在线看| 精品国产18久久久久久| 神马午夜福利在线观看久草| 综合久久久无码一区二区| 欧美日本dvd在线视频| 狠狠做五月深爱婷婷天天综合| 久久久久国产久精品成人| 69久久久久精品9999不卡片| 天堂sv在线最新版在线| 日韩 欧美 亚洲 高清| 国产精品福利自产拍久久| 日韩欧美三级电影在线观看| 日韩av免费在线不卡一区| 国产啪在线观看| 手机在线播放网址你懂的| 国内精品k频道国产网红| 无码熟妇av人妻又粗又大| 免费在线擦b小视频网站| 日本97久久久久久精品| 亚洲国产成人片在线观看无码| 自拍另类欧美一区二区三区| 国产精品亚洲精品一区二区| 18岁美女破处在线观看| 51精品国产人成在线观看| 日本一区二区三区欧洲视频| 国产 日韩 欧美综合在线| 国产精品中文在线陈冠希| 久久久久9999亚洲精品| 国产精品自产拍在线涩浪| 在线观看玩肥胖女人的屄| 东方亚洲东方欧美色二区|