English translation for "双杆吊(船吊类型)"

td tyoe derricks
td type derricks

Similar Words：

"双杆操作钩" English translation, "双杆撑杆" English translation, "双杆弹性道钉" English translation, "双杆导向装置" English translation, "双杆吊" English translation, "双杆吊货钩" English translation, "双杆吊货装置" English translation, "双杆横桁拖网渔法" English translation, "双杆划线规" English translation, "双杆机构" English translation