不透水性能试验
waterproofing performance test
变水头透水试验
falling head permeability test
抗穿透性试验
Penetration resistance test
末端淬透性试验
end quench hardenability test
jominy test
透水试验
permeability test
water permeability experiments
透水试验机
water permeability tester
测试性试验
testability demonstration
回归正交试验试验
regression-orthogonal design
包气带透水性
unsaturated zone permeability
变水头渗透试验
falling head permeability test