砂纸打磨 meaning in Chinese

sandpapering
sanding

The wood is full of pits and needs sanding .
这木料上到处是凹坑，需用砂纸打磨一下。
This preparation consists of sanding away any paint or rust to obtain a smooth but not highly polished surface .
准备工作包括用砂纸打磨，除去油漆和锈迹，以使表面光滑但又不抛得很光。
Using the sand paper , sand the glue side of the tip
使用砂纸打磨有皮头上需要待会去粘合的那一面。
Band type sand papering machine
带式砂纸打磨机