特殊用法background build-up1.本底增长carbon build-up1.炭堆积coil build-up1.带卷圈数的增加constructional build-up1.成型edge build-up1.(磁带)边缘凸起变形heat build-up1.生热(性); 发热(性)heavy-isotope build-up1.重同位素积累hysteresis heat build-up1.滞后生热性sludge build-up1.(冷轧带钢时)金属屑的粘覆build-up by welding1.堆焊