如在 2002年的 “塑料管” ( Plastic Pipes) 和 “切纸刀”(Cutting Knife) 两案中, 涉案专利权利 要求都进行了修改, 增加了在原内容之外的数值 范围限制, 但法院最终仍然判...
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Plastic Pipes Auto Belling-Machine 管材扩口机
Metal and plastic pipes 金属管和塑料管
rigid plastic pipes 硬质塑料管
buried plastic pipes 埋地塑料管
pressurized plastic pipes 塑料压力管道
plastic pipes for water 给水塑料管
water-supply plastic pipes 给水塑料管
high strength plastic pipes 高强工程塑料管道
Firstop collar for plastic pipes 塑料管道阻火圈
Plastic pipes gradually replace the traditional metal pipe in construction, industry,agriculture. Large-scale application of the pipe demands a higher quality of plastic pipe.
随着国家对节能的重视和能源危机的出现,塑料制品越来越广泛的应用到各行各业中,塑料管材在建筑、工业、农业中逐渐代替了传统的金属管材,管材的大量应用对管材的质量提出了更高的要求。
参考来源 - 塑料管材挤出机超声波在线测厚系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Plastic pipes are often the cheapest and easiest to lay.
塑料水管通常是最便宜的也是最易安装的。
Currently accepted use most is the PPR pipe, plastic pipes, such as aluminum composite pipe drain is PVC pipe.
目前公认使用最多的供水管是PPR管、塑铝复合管等，排水管是PVC管。
This thesis, firstly, made an experimental study on the seepage flow both in air and oil with zippered plastic pipes.
本论文首先对拉链式塑料管大气、土壤中的渗流规律进行了试验研究。
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