早知文理百科

一、制取试样，试样高度应高于预计针入度值的10mm，室温冷却1h—1.5h，调整水温，将冷却的试样放入规定试验温度±0.1℃的水槽中1h—1.5h。 二、取出试样，移入试...

Mom is looking at her phone.妈妈在看手机。 相关例句 He had to refresh his memory by looking at his notes. 他不得不靠看笔记来提醒自己。 She could ...