On the one hand guaranteeing reducing normal stress depression, enhancing the non-dense weld ability;

一方面保证了法向应力的降低，提高非密实件的可焊性能；

youdao

On the one hand guaranteeing reducing normal stress depression, enhancing the non-dense weld ability;

一方面保证了法向应力的降低，提高非密实件的可焊性能；

youdao