notching

notching [ˈnɔtʃiŋ] n.

1. ■ 做凹口, 开槽

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词性变化

notching [ˈnɔtʃiŋ] adj.

1. ■ 多级的(指继电器)

oblique notching 开斜槽

single notching 单面刻槽

notching of splice bars 鱼尾板上道钉槽