square file 中文意思是什麼
square file
解釋
方銼-
Bastard square blunt file
粗齒直方銼 -
Three square smooth file
細三角銼 -
Cut tube end square to exact length needed, so that tube will enter valve socket all the way to the shoulder. ream, burr and file
根據所需長度垂直切割管道,使得管道能夠完全進入到閥門插口的肩部。刮除毛刺,進行銼磨。
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