phosphate/dacromet finishing是什么意思
在加拿大 phosphate/dacromet finishing是什么意思呢？ We wish to have your best offer for the U-Bolt as per drawing attached with nut with Grade to be 12.9 phosphate/dacromet finishing. 这里面的 phosphate/dacromet finishing是什么意思呢？...华人论坛