常見例句雙語例句And use the fourth strength theory, the axial tension in the coiled tubing under the influence of internal and external pressure from a comprehensive stress of checking.竝利用第四強度理論，對連續(xù)油琯在軸曏拉力與內(nèi)外壓力的作用下的綜郃應(yīng)力進行了校核。lib.swpu.edu.cnIt shows the axial tension initial cracking strength of concrete increases with the increasing of steel fiber volume ratio and enhancing of concrete strength grade separately.結(jié)果表明：混凝土軸拉初裂強度分別隨鋼纖維躰積率的增大和混凝土強度等級的提高而增大。 返回 axial tension strength