[化] 转动刮板; 转动叶片

rotating blade的用法和样例：

例句

Danger: rotating blades.危险: 叶片旋转，注意安全。

CNN 2012-04-07

hi,I am Carl Auzus.You are watching CNN studentnews.We have a couple of awsome things in this particular Friday.The Men's field high tiger in Texas got our social media question,right?So congratulates to them.And we have a suprise for you in today's

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This is the VOA Special English Agriculture Report. Sorghum farmers in eastern Uganda, working with scientists, have tested some lower-cost ways to improve their soil. Little rain and poor soil fertility are problems in that area, as in other parts

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amend the letter of credit