A.5mm(0.2inches) B.7mm(0.3inches) C.10mm(0.4inches) D.13mm(0.5inches)
A.車(chē)間焊縫 B.返修焊縫 C.現(xiàn)場(chǎng)焊縫 D.整周焊縫
A.長(zhǎng)于理論尺寸 B.短于理論尺寸 C.等于理論尺寸 D.和焊喉相等