small tie-beam撑头
tie-beam cables系杆索
tie-beam cable系杆索
tie-beam roof系梁屋盖
tie-beam tie beam水平拉杆
bow-tie shaped fixed-fixed beam蝴蝶结状双端固支梁
N（名词） a horizontal beam that serves to prevent two other structural members from separating, esp one that connects two corresponding rafters in a roof or roof truss 水平拉杆; 系梁