upper-end bearing 中文意思是什麼
upper-end bearing
解釋
上端軸承-
A small block of metal or wood bearing a raised letter or character on the upper end that leaves a printed impression when inked and pressed on paper
活字上端帶有突出的字母或字的一小塊木頭或金屬,塗上墨並壓在紙上后就會留下印記
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