常見(jiàn)例句雙語(yǔ)例句The utility model relates to a column sectional bar used to connect with sheet material.本實(shí)用新型涉及一種用于連接板材的立柱式型材。ip.comThe aluminum-clad bamboo sectional bar has the advantages that the aluminum-clad bamboo sectional bar is tough, light in weight and low in manufacturing cost.這種鋁包竹型材韌性好、重量輕、制造 成本較低。ip.comUnder the premise of the weight of the entire truss structure satisfying certain constraints, it achieved the minimum flexibility by optimizing the cross-sectional area of the bar.采用的力學(xué)準(zhǔn)則為滿應(yīng)變?cè)O(shè)計(jì)準(zhǔn)則； 在整個(gè)桁架結(jié)構(gòu)重量滿足一定約束的前提下，通過(guò)優(yōu)化各桿件截面積，達(dá)到整體柔度最小。 返回 sectional bar