Suspender is one of half-through and through bridge the necessary member.

吊杆是中、下承式拱桥一种必备的构件。

youdao

Member of International Association of Bridge and Structural Engineering.

国际桥梁与结构工程学会会员。

youdao

Member of International Association of Bridge and Structural Engineering.

国际桥梁与结构工程学会会员。

youdao