He wonderfully cheered up , his dutiful manner vanishing in a great grin and a strong hug.他真是心花怒放, 他本来是尽职任的表态,现在成为咧嘴一笑,和一次紧紧的拥抱.You tend to niggle at your partner, and get hurt when he doesn't hug you.你往往会对伴侣吹毛求疵，如果...
The mechanism of electroless nickel deposition in sodium hypophosphite bath is discussed.探讨了次亚磷酸钠体系化学镀镍沉积机理.Electroless copper plating on PET fabrics using hypophosphite as reducing agent was investigated.研究了采用次磷酸钠作还原剂在涤...