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双v字形对接坡口
meaning in English
double vee groove
double-vee but groove
double-vee groove
Related Words
人字形轻便井架
末段对接制导
v secm
v depression
ver b
original ver
v seed
v thanh
v variable
archidamus v
双v形对接焊
双v形坡口
双w型缝合部
双x
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