“巨臂”的英语？

吊车的巨臂日夜移动, 装货卸货.Day and night the giant arms of cranes move about, loading and unloading cargo.举目南望, 有一条长达两公里的长堤, 象一只巨臂伸在苏伊士运河的港湾里.A jetty pier, some two thousand yards along , extended into the roadstead.有人呼唤法律的巨臂了 吗 ?D...