Fewer workers are needed to solder circuit boards.焊接电路板需要的工人更少了。Joints between reinforcement members can be made satisfactorily with tin solder.锡焊能够满意地做成加筋构件之间的接头.A number of metals and alloys, how ever , are difficult t...
Joints between reinforcement members can be made satisfactorily with tin solder.锡焊能够满意地做成加筋构件之间的接头.Single plated nickel barrier terminations has excellent solder heat resistance for soldering.外部电极为镍的电镀构造,于焊接时具有极优越的耐热性.Fe...
Mother and son lost contact when Nicholas was in his early twenties.尼古拉斯20岁出头的时候母子就失去了联系。It was paid to her in greenbacks -- three twenties, six tens, and six fives.这份薪水是用绿色钞票付给她的 -- 三张20块, 六张10块, 还有六张5块.It was written i...
He asks to be wakening at 7:00.他要求7点钟叫醒他.She closed the door very quietly,as she was afraid of wakening her baby.她害怕把小宝宝惊醒,所以关门的动作很轻。When he came back home from his night shift, Jason tried to avoid wakening his family.当...
夜空中又传来了那又长又凄凉的狗叫声.That long, lugubrious howl rose on the night air again!禁城那些辉煌的大门都敞开了, 请她从寒冷的凄凉的外面进到了里面.Its splendid gates had opened, admitting her from a cold, dreary outside.此刻,想到自己的处境,一种无限凄凉的感觉猛然袭上他的心头.Then the shee...