muffler outer pipe 减声器外管
polythene outer pipe 聚乙烯外管
outer pipe load 接管外载荷
outer balance pipe 外平衡管
guide pipe with outer insulation 外隔热导流管
Outer Steel Pipe 外套钢管
The top of the outer pipe is furled through a movable rotating shaft.
外管顶部通过活动转轴收合。
It adopts outer pipe co-extrude technology, improving the joint stress among layers.
采用的外管共挤技术，提高了管材的层间结合强度。
It adopts outer pipe co - extrude technology, improving the joint stress among layers.
采用的外管共挤技术，提高了管材的层间结合强度。
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