tret

The results show that both are caused by decarburization in heat tret-ment.

结果表明,两者均为热处理脱碳所引起。

It is a labor to task the faculties of a man — such problems of profit and loss, of interest, of tare and tret,(8) and gauging of all kinds in it, as demand a universal knowledge.

这真是辛苦劳役，考验人全部官能，——这些赢利或失问题，利息问题，扣除计算问题，切都要确实数字，非得有全宇宙知识不可啊。