ductile造句

' steel in this class is tough, ductile and easily machined. "
这种钢强韧, 延展性好,而且容易加工.

Shrinkage and dispersed shrinkage are the special waster of ductile iron.
缩孔和缩松是球墨铸铁特有的废品现象.

The metal is very hard and strong and less ductile than before.
金属会非常坚硬、坚固,并比以前减少了韧性.