repairing block 中文意思是什麼
repairing block
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This paper analyzes the repairing feature on perforating casing and presents a new procedure that the root of perforating hole is covered by a little block age plate and then repair welding is carried out
通過對射孔槍管修復特點的分析，提出了先利用小堵板蓋住射孔眼的根部，再進行補焊的新工藝，實現了槍管的重復利用，為油田同類產品的修復提供了寶貴經驗。 -
Examining and repairing of cracks on cylinder block and cylinder cover of engine
發動機缸體和缸蓋裂紋的檢驗與修理
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