Aimming at the technical need of concrete pavement.
本文针对混凝土路面的技术要求。
Aimming at the critical problem of large splatter in CO2 arc welding, a new electromagnetic equipment is designed.
针对CO_2气体保护焊飞溅大的缺陷，设计出一套电磁作用装置。
Aimming to this problem, in this dissertation, the Author design a new-type machine for wood chips compressing and packing.
针对这一问题，本文设计了一种新型的木片压缩打包机。
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