To perform a weld, the wire to be welded is held in the attachment pliers, and the magnet electrode is connected to the base material. 為了執行焊接，被焊接的電線(xiàn)放在焊接鉗上，磁體電極和基體材料連在一起。
Effects of porosity on the material performance of chopped high modulus carbon fiber reinforced carbon composites and carbon materials were studied. 研究了短切高模碳纖維增強碳復合材料和碳基體材料氣孔率對材料力學(xué)性能的影響。
Energy and raw material costs are skyrocketing. 能量和原材料價(jià)格飛漲。
The price of raw material falls. 原材料的價(jià)格在下跌。
Soil formation, or pedogenesis, is the combined effect of physical, chemical, biological, and anthropogenic processes on soil parent material. 土壤的形成，或成土作用，是綜合效應的物理，化學(xué)，生物和人為過(guò)程對土壤母質(zhì)。
Elements characteristics of parent rocks and their relation to banana quality in Tianbao banana orchards,Zhangzhou were analyzed. 對漳州天寶香蕉種植區成土母質(zhì)的元素特征及其與香蕉品質(zhì)關(guān)系進(jìn)行分析。
