精品视频在线观看99,国产精品久久久精品久久久一区.,久久亚洲精品视频网站上,欧美亚洲另类校园春色

Guilin Microtech Optical Instrument Co., Ltd. (MTO)

Phone:+86-773-5823609

PRODUCT

Position:  > Product  >  Attachments  >  Stereo Microscopes Attachments  > Bracket
Bracket

Note: 
Help operators orientation apace and exactly,. Lessen the neck tired after long time observing.

 

 Model :Bracket
 Introduction
  · Character: Two stainless steel guide rail, can adjust its height and angle accroding to the operators' forehead position. The part which is osculated by forehead is corium cushion. It is soft. It can be clean with litmusless cleanser. 
  · Applied range: all the stereo microscopes of our company
  · Use: Help operators orientation apace and exactly when they use stereo microscope with eyepieces to observe object. Avoid the head rocks to affect the binocular observing. Lessen the neck tired after long time observing.

Bracket exemplify

Bracket

MTS312+Bracket

熟女大屁股亚洲一区| 欠欠草免费在线视频| 黑丝美女被操到高潮| 日本亚欧乱色视频69室| 国产高清乱码女大生AV| 3色w九九久久男人皇宫宕| 日本最新免费不卡一区二区三区| 下载风骚美女想吃大机吧| 操世界最美丽的逼片| 久久国产亚洲高清| 精品一区二区久久久久无码| 大鸡巴干小逼视频| 玩弄邻居少妇呻吟11p| 狂插美女大屁股在线观看| 美女逼男逼小穴小骚下载| 被医生添奶头和下面好爽| 性一交一乱一乱一区二区| 国产精品久久一区二区三区动| 鸡巴抽插逼逼视频| 国产午夜福利片无码视频| 在线观看国产黄色| av日韩在线观看一区二区三区| 久久久精品日韩一区二区三区| 东北大吊干东北少妇AV| 熟妇人妻无乱码中文字幕| 亚洲精品影片一区二区三区| 国产精品久久久久妇| 日韩av一区二区高清不卡| 欧美 日本 亚洲 国产| 女人被大鸡吧操逼| 91精品捆绑蜜桃| 骚逼被狂插视频教程| 日本欧美中文字幕| 久久99国产中文| 日韩午夜经典福利| 最新免费高清无码片| 爽妇网国产精品24| 美女露胸露逼逼自慰| 中文字幕在线观一二三区| 色婷婷五月综合久久| 帅哥大鸡巴操美女|