轴线对中定位块的英文

• center block for shafting alignment

• 轴线:    axis; axle; axial trace; axi ...
• 对中:    centring
• 定位:    fixed position; location; or ...
• 块:    piece; lump; chunk
• 定位块:    distance piece; distance plate; location lump, locating piece, block stop; location lump, locating piece, location block; locationlump,locatingpiece,blockstop; locking block; set piece; stock located block; stock locater block