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

×

YT030G geotextile effective aperture tester(dry screening)

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

Method for determination of the effective pore size of geotextile and compound geotextiles, its performance is in line with national standards, and suitable for the screen analysis on materials in laboratory by geology, metallurgy, chemical industry, coal, national defense, scientific research, grinding wheel, cement, construction and other departments.

JTG E50   GB/T 14799