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圖上圈出的符號(hào)是什么意思?求解! |
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點(diǎn)評(píng)
不是聽說,就是,那里的那個(gè)“2”,你在圖紙上能找出說明。上面那個(gè)就很簡(jiǎn)單了,A3角度的角焊。
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點(diǎn)評(píng)
A3指的是焊腿厚度
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