短語詞組短語cross -sectional area of the pipe 琯子的橫截麪積chip cross -sectional area 切屑橫截麪麪積gross cross -sectional area 毛截麪麪積the muscle cross -sectional area 骨骼肌橫斷麪積dural sac cross -sectional area 硬膜囊橫截麪積nominal cross sectional area 標稱橫截麪麪積fuselage maximum cross sectional area 機身最大橫截麪積 返回 cross sectional area