(A)終端錨固螺栓 (B)可調(diào)式UT型線夾 (C)杵座楔形線夾 (D)倒裝式耐張線夾
A.50mm B.100mm C.150mm D.200mm
A.弛度 B.撓度 C.負(fù)載 D.溫度