A.手少陽(yáng)經(jīng)穴 B.足陽(yáng)明經(jīng)穴 C.手陽(yáng)明經(jīng)穴 D.足少陰經(jīng)穴 E.任脈穴
A.干拌砂漿B.砂漿C.砂石D.混合砂漿
A.選擇性B.快速性C.靈敏性D.以上均正確