并列题名：Trial research on some difficult problems in foundation engineering Trial research on some difficult problems in foundation engineering 并列题名：Special Technical Problems in Deep Foundation Engineering 并列题名：Terms of soil mechanics and foundation engineering Special Technical Problems in Deep Foundation Engineering 并列题名：Case elaboration of difficult problems in labor disputes 并列题名：Research on difficult problems of environmental pollution crime 并列题名：Research on product design based on concurrent engineering 并列题名：Research on some theoretical problems of wild animal protection