A.200mm/s B.1m/s C.0.5m/s D.0.1m/s
A.在CSK-1A試塊A面探測Ф50圓弧 B.在CSK-1A試塊B面探測Ф50圓弧 C.在CSK-1A試塊探測Ф1.5橫孔 D.在半圓試塊上測定