1) blockage
沟堵塞
1.
The paper describes the judgement for channel blockage and the advantages and disadvantages of the method for eliminating the channel blockage by use of Ar,presents how to select relevant parameters for eliminating the channel blockage using compressed air and introduces its operating process and improving measures.
简述熔沟堵塞的判定及前苏联采用氩气清除熔沟堵塞方法的优缺点。
补充资料：堵塞
堵塞
指空腔、管道不通。习惯上特指血管被栓子或血栓阻塞致血流中断的情况。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。