国产无遮挡又黄又爽在线视频,国产亚洲成AV人片在线观看,伊伊人成亚洲综合人网7777,中文有码vs无码人妻

×

SHA-C water bath constant temperature vibrator

Video
Gallery
360°Show
×
×
×
Applicable scope
Test principles and standards
Instrument characteristics
Configuration list

It is used to analyze the fiber content, formaldehyde content, PH value and chemical analysis in laboratory.

1, Stainless steel products Gaby 5cm higher for large capacity test tubes, flasks.
2, Double digital display: speed, temperature display at the same time.
3, Spring cup holder, can be suitable for different specifications of the flask.