position saw-tooth
常見(jiàn)例句
- A nail for fixing the foil in position has a spherical shaped head and in its concavity merges with a saw-tooth barbed pin with a radius.
一個(gè)固定薄膜位置的釘子具有一個(gè)球面形的頭部并用一個(gè)沖制的圓段過(guò)度到鋸齒狀設(shè)置的桿部上。
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