A.15度斜絲綹 B.45度斜絲綹 C.直絲綹 D.橫絲綹
A.8~9 B.10~12 C.14~16 D.16~18
A.頸窩點(diǎn) B.右頸間點(diǎn) C.頸椎點(diǎn) D.肩端點(diǎn)