单词	crack of weld
释义	crack of weld 焊部裂纹
随便看	background indensity background information background information for audit back grounding backgrounding backgroundings background initiator background ink background inking background intensity background interference background interference procedure background internal friction background investigation background ion background ionization voltage background ionization votage background ions background irradiance background irradiation background Iuminescence background job background jot background knowledge background level 留我花间住留教视草留无计留春不住留晓梦留眼更登临留赠意中人留连不住留连戏蝶时时舞留连欢事 30913 30914 30915 30916 30917 30918 30919 30920 30921 30922