The seed piece anti-blocking shaking device is designed for the potato planter.

马铃薯种植机种薯块防堵抖动装置属于农业机械；

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The utility model relates to a spherical valve, particularly to an anti-blocking knife gate valve.

本实用新型涉及一种球阀，特别涉及一种防堵刀闸阀。

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According to the experiment purpose, the testing method of the power consumption of anti-blocking mechanism is determined.

根据实验目的，确定了防堵装置功率消耗的测试方法。

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President Clinton took office in 1993 and lifted that ban, but in 1994 he ceded some ground to the anti-stem-cell crowd by blocking the use of federal money to create embryos for research.

FORBES: Magazine Article

So far, the GOP leadership has been successful at blocking anti-war legislation because Democrats don't have the 60 votes to cut off what would become an endless debate on the war.

NPR: Senate Democrats Push for All-Night Debate on Iraq

But the anti-pipeline crowd is wrong in thinking that blocking Keystone XL will somehow stop development of the oil sands.

FORBES: Come On Already, Let's Build Keystone XL