- 卡尔加里信息中心论坛 (http://www.calgarychinese.ca/bbs/cgi-bin/leoboard.cgi) -- (http://www.calgarychinese.ca/bbs/cgi-bin/forums.cgi?forum=20) --- Welcome to the Society of Piping Engineers and Designers! (http://www.calgarychinese.ca/bbs/cgi-bin/forums.cgi?forum=20&topic=49)