Polyethylene pipes - resistance to slow crack growth - cone test method 聚乙烯管材耐慢速裂纹增长锥体试验方法
2.
Geotechnical investigation and testing - laboratory testing of soil - part 6 : fall cone test iso ts 17892 - 6 : 2004 ; german version cen iso ts 17892 - 6 : 2004 土工调查和试验.土壤的实验室试验.第6部分:落锥试验