rough turning

基本解釋

Rough turning tools can be right-hand or left-hand types, depending upon the direction of feed.
粗車刀具按其進給方曏可以是右手型的或是左手型的。
The making of new mould has 2 steps, first, 2 workers do rough turning, and then other workers do fine finishing.
新模具的加工分成兩塊，先由兩位模具工進行粗車，再由模具工進行精加工。
zjzxmfj.com
Turning tools. Turning tools can be either finishing or rough turning tools. Rough turning tools have small nose radii and are employed when deep cuts are made.
車削刀具可以是精車刀具或粗車刀具。粗車刀具刀尖半逕較小，用於深切削。

After putting our rears in the seat of a Porsche 911 and turning our questionable English into even more questionable Spanish, Ma Bell gave us a glimpse at some super rough devices fresh from the labs.
ENGADGET: Hands-on with AT&T Labs prototypes: ShadowPuppets and haptic steering wheel