This does not mean one can neglect the quality of the support, as field seaming can be done only on a compacted, flat surface.
但这并不以为着我们就能忽略其他方面,如现场焊接只能在压实和平稳的地面进行。
This does not mean one can neglect the quality of the support, as field seaming can be done only on a compacted, flat surface.
但这并不以为着我们就能忽略其他方面,如现场焊接只能在压实和平稳的地面进行。
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