solder造句
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 to silver -
solder and require special procedures.
但是有许多金属和合金是难于银焊的,因此需要采用专门的工艺方法.