n. dovetailer ; matcher ; tenoner
链式制榫机的链条须设有护罩，在切实可行范围内尽量将铣刀围封。
The chain of a chain mortising machine shall be provided with a guard that shall enclose the cutters so far as practicable .
仅以教育背景为例，营销倾向于开制榫机，我要生产榫头当然是越多越好。
Just the education background for example, you know marketing tend to be much more matcher driving, I need to produce lees you know the more the merrier.
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