詞語：preweld
preweld的解釋
preweldadv. 預焊，焊接前
preweld的意思
preweld 預焊;preweld interval 預熱時間間隔;熔接預熱時間;preweld cleaning 焊前清理;
preweld的參考例句
1.By measuring the mechanical properties and corrosive property of the aluminium alloy 6063 at preweld and postweld, the causes of variations in joint property at postweld are analyzed. 本文通過對鋁合金6063焊接前後材料機械性能、耐腐蝕性能等的測試，分析了該合金焊後接頭性能發生變化的原因。
2.Practice shows that, selecting proper preweld temperature and executing the technology according to technical parameters and specifications is the key to the success of the reconditioning; 焊接工藝實踐表明，控制組對間隙，選擇正確的焊前預熱溫度，嚴格按工藝參數和技術規範進行施工是修復獲得成功的關鍵；
preweld的詞匯及翻譯
n. preweld interval - 預焊間隔
n. preweld interval - 預焊間隔時間