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...
此心轴溶化之后, 在推进剂表面上留有一薄层的合金.After the mandrel is melted, a thin layer of alloy remains on the propellant surface.注意.内剥胶时, 心轴必须顺时针旋转.CAUTION For internal skiving, the spindle must rotate clockwise.注意.外剥胶时, 心轴必须逆时针旋转.CAUTION ...
David Seaman was back in the Arsenal goal after breaking a knuckle.戴维·西曼在一个指关节骨折后又回到阿森纳队的球门前。His goal leveled the scores of the two teams.他的进球把两队的得分拉平了....Daniel Amokachi's spectacular solo goal.丹尼尔·阿莫卡奇精彩的单刀进球I thi...
集体表演称之为二重唱 、 三重唱 、 四重唱以及大合唱等等.Groups are called duets, trios, quartets , choruses , choirs, etc.他加入了理发店四重唱.He joined a barbershop quartet.那个四重唱[四重奏](节目)也很不错.The quartette was not half bad , either....
目的探讨我国二甲基甲酰胺 ( DMF ) 的生物接触限值 ( BEI ).Objective To explore the biological exposure indices ( BEI ) of dimethylformamide ( DMF ) in China.研究表明,该反应器可有效降解苯甲酰胺.The results show that the new type reactor could degrade benzamid...
每周出版一期,还附有杂志增刊.It comes out each week and it has a magazine supplement.我一直迷恋着阅读杂志增刊上的连载小说.I had been so enthralled by reading the serial stories in the magazine supplement.每周都另附彩色增刊,内有大幅图片.Each week there is also a color...