Upflow filter
[化] 上流过滤器
🧩 词语组成解析
vi.向上流
filter
['fɪltɚ]
n. 滤波器;滤光器;滤色镜;[化] 过滤器;
vi. 过滤;透过;渗透;
vt. 过滤;滤除;
🗣️ 情景例句
They also ask questions like Where do you come from? and Where do you live?.
他们也会问“你从哪儿来？”，和“你住在哪儿？”这样的问题。
This is a price list.
这是一张价格表。
so every so often a sample is obtained with a coring bit.
因此时常要用取芯钻头取样。