两本书和一些资料2 U1 _/ X, M; p! _2 W5 ~% O
Canadian Professional Engineering and Geo-science: Practice and Ethics& `4 V: m! H m' c0 {$ _/ e# a2 C9 j
Practical Low of Architecture, Engineering and Geo-science. ; b& d4 h# |) H3 w9 _! N( v) x: w4 V
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