软缆保持力试验机 lead compaction tester
接触保持力试验程序 Contact Retention Test Procedure
胶带保持力试验机 Retention test machine
辅助制动保持能力试验 secondary brake holding ability test
行车制动保持能力试验 service brake holding ability test
花器解剖和授粉试验表明，大邑梅有较高的繁殖力，保持着野生种的特性。
Flower anatomy and pollination test showed Armeniaca mume in Da 'yi had a higher reproductive capacity and kept some characters of the wild species.
该机采用微机控制，通过面板的键入能调节测量光源的强弱，并能显示试验力值和保持时间等，使用方便，测量精度高。
The machine adopts microcomputer control panel by typing measure the light intensity can be adjusted, and can display test force and hold time, ease of use, high accuracy.
试验表明：它具有低粘度、渗透力强、不污染石材，并能很好的保持石材的透水透气性。
The experiments show that the coating is low viscous, high penetrating, and not contaminating the stone. It maintains a very nice air and moisture permeability with the stone.
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