- hollowended
- 凹: low-lying area; depression
- 端的: the whole process from begin ...
- 端的: 1.(事情的经过; 底细) the whole process from beginning to end; the whole course of2.(果然; 的确) really3.(究竟) after all; in the end
- 方头凹端紧定螺钉: square set screws with cupoint
- 开槽凹端紧定螺钉: slotted set screws with cupoint
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