bead electrode, 珠狀電極. bead joint, 填角焊縫,凸焊縫,圓凸勾縫. bead lightning, 珠狀閃電. bead machine, 壓片機,壓錠機. bead resistance, 珠電阻,珠狀熱敏 ...
確定! 回上一頁