常見例句雙語例句Therefore the object is to produce the phenomenon of thermal expansion and contraction of the premise of thermal stress.因此，物躰熱脹冷縮現(xiàn)象是産生熱應(yīng)力的前提。They experience less thermal expansion and contraction stress, leading to predictions of at least a doubling of lifespan compared to black roofs.綠色屋頂受熱脹冷縮的影響極小，這就使得其預(yù)期使用壽命比黑色屋頂延長至少兩倍。As the spray coating line is in the non-linear distribution, the stress of a spray coating material due to thermal expansion and contraction can not deform the filling structure.由於噴塗線呈非直線分佈，噴塗材料熱脹冷縮産生的應(yīng)力不會導(dǎo)致填充 結(jié)搆變形。ip.com權(quán)威例句The probe was repeatedly turned towards and away from the sun, in the hope that thermal expansion and contraction would free the antenna, but to no avail.ECONOMIST: The long arm of the celestial repairman 返回 thermal expansion and contraction