difficult-to-weld 中文意思是什麼

difficult-to-weld 解釋
焊接性不良的
  • difficult : adj. 1. 困難的，（工作等）艱難的。2. 執拗的，頑固的。
  • to : adv 到某種狀態；〈特指〉到停止狀態；關閉。 ★也常和動詞結合，略去其後賓語，而構成成語： The door i...
  • weld : n 焊接（點），熔接點。vt 焊[熔]接；使密切接合，結合。 A welded joint 【機械工程】熔接頭。vi 被焊...
  1. It is a dozen metals in one ; now almost diamond - hard - - and again almost as soft as copper ; here brittle as glass ? there malleable1o as silver ; now welding quite readily - - again, very difficult to weld ; melting rather easily - - at other times difficult to diffuse ; usually very magnetic - - and : again almost non - magnetic ; an excellent conductor of heat and electricity - - and at times stubbornly resistant to both

    鐵將十多種金屬特性合而為一：時而幾乎堅硬如金剛石，時而又柔軟如銅；此處易碎如玻璃，彼處又可展延如銀；時而很容易焊接，時而又很難焊合；有時相當易熔，有時又極難擴散；通常情況下富有磁性，但有時又幾乎磁性全無；本是熱和電的優良導體，但有時卻頑強地抗拒二者。
  2. After weld repairs, however, the overall quality and reliability of a cast valve is difficult to determine

    但是，在焊補后，鑄件閥門的整體質量和可靠性就變得難于保證。
  3. Brazing is a metal joining technique that exhibits its full potential when joining materials that are difficult to weld conventionally, such as different materials, steel alloys, or parts with thin structures, complex shapes, etc

    可焊接其他焊接方法難以焊接的材料，異種材料和合金鋼，薄壁構造或者形狀復雜的部件加工，這種強有效的金屬焊接技術就是銅焊接。
  4. This process has been successfully used to sinter fgm, mmc, frc and so on, and joining difficult - to - weld materials

    該技術已應用於梯度功能材料、金屬基復合材料、纖維增強復合材料、納米材料、多孔材料等多種材料的燒結和不相容材料之間的連接。
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