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濡ゅ倹眉缁旀挳鎼归悷閭﹀妳濞戞梻濮存慨鈺呭嫉濞差亜娅ら悶?
绠￠亾鎹熻�楄〃
25.2_鐢ㄥ垪涓炬硶姹傛鐜囩敾鏍戝舰鍥炬硶
娣峰嚌鍦熻川閲忕己闄锋帓鏌ヨ褰曡〃
excel璁＄畻鍏紡澶у叏
楂樹笁鎺掑垪缁勫悎澶嶄範寤鸿
瀹滃鐨勮。鏌滅幆淇濆悧
鑴欒伀鑴欓弗鑴欒伂鑴欓垾婢濆伄鐫瑰厽鐘嗗伄瑁佸伄鐭伄璁垮伄
闁诲繐绻愮换鎴炴櫠濠婂牆绠璺侯焾娴滐綁鏌熼棃娑卞剱婵＄偛娼″畷婵嬪Ω椤垵鏁归悷?
閹存垶妲搁悮?epub
濮樸垺鐨甸惃鍕杽妤犲苯顓婚崚璺侯槵閸樼喓鎮婇妴浣稿煑閸欐牜娈戠憗鍛枂閿涘牆瀵橀幏顒�褰傞悽鐔活棅缂冾喓鈧焦鏁归梿?
娌逛环瀵逛笘鐣岀粡娴庣殑褰卞搷
韬唤璁よ瘉
The W12 x 50 flange is made of A992 steel and is used as a column that has a length of 20 ft. If its ends are assumed pin supported, and it is subjected to an axial load of 150 kip, determine the factor of safety with respect to buckling.
婵犻潧鍊归悧婊勬叏閹间礁绠戦幖瀛樼箘閻ゅ嫰鏌涢幇顓犳噧闁哥偛顕埀?
涓讳綋缁撴瀯鏂藉伐鏂规
閸栨鍋栨禍?
闂傚倷绀侀幉鈥愁潖缂佹ɑ鍙忛柣銏犵仛閸嬫﹢鏌曟竟顖氭噹瀹曘儱鈹戦悙鍙夘棡閻㈩垪鏅犲畷顖涙償閳藉棛鍞甸柣鐘烘閸庛倗绮氶幐搴涗簻闁哄啠鍋撴繛鑼枎椤曪綁顢楅崟顒�娈熼梺闈涳紡鐏炶偐绌块梻?
鐨囧鎴樹簤鍗囩骇鎵�闇�閲戝竵
浜烘暀鐗堣鏂囦竷骞寸骇涓嬪唽鏁欏璁″垝
閸ユ稒绋婏附绂嶆梻绱掑繒绱掑繐鍚�
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