单项选择题
A.落地77%/天吊75% B.落地77%/天吊77% C.落地75%/天吊77% D.落地77%/悬吊73%
A.落地75%/天吊77% B.落地77%/天吊75% C.落地77%/天吊77% D.落地73%/天吊77%
A.1.8m B.2m C.2.5m D.3m