single V butt joint V形对接接头 ; 单V接缝
recessed V-joint 尖槽缝
double-V butt joint 双V形对接接头
V-tooled joint 三角凿嵌缝
double V butt joint 双V形对接接头
V-joint V形接头
V-clamp joint V型管卡连接
V-shaped joint 人字缝
SHANGHAI V-JOINT WOOD CORPORATION 上海威君尔木材进出口有限公司
double V grinding bottom joint 双V形对接接头
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