單項選擇題
A.0.001mm/m B.0.002mm/m C.0.003mm/m D.0.005mm/m
A.L–HM42 B.L–HG46 C.L–HM46 D.L–HG48
A.5 B.6 C.7 D.8
A.1050mm B.1150mm C.1250mm D.1550mm
A.10~20ºC B.20~30ºC C.30~40ºC D.40~50ºC