Telescopic boom crane in the performance of a substantial high from the performance or the impact of conditions is essential.
伸缩臂的性能对起重机在大幅度高起升工况下的性能的影响至关重要。
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The packer and telescopic tube are designed to a whole body and V-shaped inflatable graphite sealing ring is used to form the sealing system, ensuring the sealing performance of.
The results show that it has much better performance than that of the baseline rod of the same mass, whose diameter is equal to that of the tubular part of the telescopic penetrator.