ARGIN: 0cm 0cm 0pt; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-pagination: widow-orphan; mso-outline-level: 2" class=MsoNormal>ack; FONT-SIZE: 12pt; mso-bidi-font-family: 宋体; mso-font-kerning: 18.0pt" lang=EN-US>Study on the Relationship between Physical and Mechanical Properties and Collapsibility of Loessamespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />