为了容易推出焦炭,炭化室宽度设计考虑到焦侧比机侧宽些,一般的差值为20mm~70mm,这个差值称为()。
参考答案:锥度
People are encouraged to speak openly, but careless words are ________ to hurt others' feelings. [ ]
A. possible
B. probable
C. likely
D. sure
没有经有资质的检测单位检测鉴定的检验批,不能验收。