求翻译：吊车工用吊车将三根钢管（12米长的Φ273 ×10带防腐绝缘层的无缝钢管、 9米长的Φ273 ×7无缝钢管和Φ377 ×7的卷管）安放在堆积钢管教员的地面上，钢管走向基本上为南北向，其位置如图2所示。是什么意思？

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cable car industry and cable cars will be 3 in steel tube (12 meters long, 273 x 10 Φ Antiseptic insulating layer with the seamless steel tubes, 9 meters long, seamless steel tubes and Φ Φ 273 x 7 x 7 377 volumes of steel pipe tube) placed in teacher piled up on the ground and steel pipes is basical

Crane operator with crane three steel pipes (12 meter long φ273 ×10 belt anticorrosion insulating layer seamless steel pipe, 9 meter long φ273 ×7 seamless steel pipe and φ377 ×7 volume tube) places in the stack steel pipe teacher's ground, the steel pipe moves towards basically for the north and sou

Crane Operator cranes three steel tube (12-metre-long φ 273x10 seamless steel pipes with anticorrosion insulation layer, 9 metres of φ 273x7 seamless steel pipe and φ 377x7 hose reel) placed in stacked steel pipes on the ground as a teacher, tube towards the largely North-South, its position as show