root of thread 中文意思是什麼
root of thread
解釋
螺紋根-
The infection-thread enters and branches in cells of the root cortex.
侵染線進入根的皮層細胞並進行分枝。 -
Forming taps which produce no burrs since the chamfer is created by not tilting at the root of the tap and by continuously changing the width of the root this enables manufacture of the superfine pointed miniature thread so. 5 1. 25 , hitherto considered impossible
由於絲錐倒牙部的谷底沒有傾斜和有持續變化的谷底寬度,抑制了毛刺和髭須發生的擠壓絲錐,以往不可能製作的微型內螺紋用絲錐也能製作。
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