By inserting a tube into the melted iron to form a greybody tube and to make the emissivity steady.The temperature of the melted iron can be obtained using a optical fiber thermometer.
其中一种途径即利用一个空芯导管插入
水中,形成一个近似灰
,
内
水表

率基本不变,然后利用光纤比色测温仪示出温度。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The gold standard for determining if there is portal hypertension is obtaining a hepatic venous pressure gradient measurement where a catheter is inserted inside the inferior vena cava and then inside the portal vein to measure the difference between both pressures.
确定是否存在门静脉高压症的金标准是测量肝静脉压力梯度,即将导
先
插入
静脉、门静脉内测量两个压力之间的差异。