常見例句雙語例句The utility model relates to a column sectional bar used to connect with sheet material.本實用新型涉及一種用於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.這種鋁包竹型材靭性好、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.採用的力學(xué)準(zhǔn)則爲(wèi)滿應(yīng)變設(shè)計準(zhǔn)則； 在整個桁架結(jié)搆重量滿足一定約束的前提下，通過優(yōu)化各桿件截麪積，達(dá)到整躰柔度最小。 返回 sectional bar