詞語：surface-welding
surface-welding的參考例句
1.repeated thermal alternative can make sealing surface of build-up welding easily generate ring and horizontal crack. 反覆的熱交變使堆焊閥座密封面極易產生環、橫交錯的裂紋。
2.The equipment have the function of the line and circularity welding in the plane, ring surface, three-space welding etc. 該裝置具備平面內直線、圓弧線焊縫焊接、立體環面焊縫的焊接功能。
3.The change of microhardness for coating are continuous and gradual along depth direction, and the microhardness of spray-welding surface is HV93
3.
2. 塗層顯微硬度的變化沿層深方向呈連續性和漸變性， 其表層顯微硬度高達HV933。2。