English translation for "双吊杆顶间控索"

boom head guy (or schooner guy, or span guy)

Similar Words：

"双甸" English translation, "双店" English translation, "双吊吊架" English translation, "双吊耳" English translation, "双吊杆顶端联动张索" English translation, "双吊杆顶间牵索" English translation, "双吊杆合吊系统" English translation, "双吊杆联合操作系统" English translation, "双吊杆联合操作系统,双吊杆合吊系统" English translation, "双吊杆联合作业" English translation