1) boring close
穿孔封闭
2) aperture seal
穿孔密封
3) pore sealing
封闭孔隙
1.
Many pore sealing methods have been developed but they are all have shortcomings.
人们采用了许多封闭孔隙的方法,但都存在不足。
4) close the break
封闭裂孔
5) potential close
孔道封闭
6) closed pores
封闭孔
补充资料：成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
成都无缝钢管厂管坯在菌式穿孔机上穿孔
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条