起吊孔 lifting hole ; eye bolt hole ; lifting eye
大型起吊孔 large type hatch opening
三角形吊孔 triangular lifting eye
吊装孔 erection opening ; lifting hole ; handling hole ; lifting eye
吊装孔栏杆 railing around mounting hole
吊舵孔 tube hole ; lifting rudder tube
吊楔孔 lewis hole ; clevis hole
吊模孔 EYEBOLT HOLE
吊装孔雕栏 railing around mounting hole
一个特大型吊孔，使存储容易。
井架用来吊升分节油管，把油管放入有钻头打出的孔中。
It is used to lift the sections of pipe, which are lowered into the hole made by the drill.
吊具上臂的连接孔穿有连接卸扣，连接卸扣连接主钢丝绳吊系；
The connecting hole on the upper arm of the hoist is penetrated by a connecting shackle connected with a main steel cable hanging rope.
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