The coil pipe of the condenser also has the advantages of difficult damage and extension of the service life of the device.
这种冷凝器盘管还具有不易损坏，能延长设备使用寿命的优点。
The valve can extend and adjust the connection between valve and pipe in some range. It can also adjust physical extension freely which is caused by the change of circumstance temperature.
钢制管道伸缩器可在一定范围内伸缩调节阀门与管道的连接，并能自由调节因环境温度的变化而引起的物理性伸缩。
The extension includes fittings and extension pipe with handwheel mounted.
加长件包括连接件和加长管件，带手轮安装。
The plastic extension pipe with a joint coupling body can bring convenience for the installation of a ventilator, a range hood, a water heater, etc.
在安装通风装置、脱排油烟机、热水器等时，使用这种带接头联体的塑料伸缩管在许多方便之处。
The invention relates to a flexible electrical extension cable (2) and a pipe processing device (40) adapted thereto.
本发明涉及一种柔性加长电缆（2）和与其配合的管加工装置（40）。
The invention relates to a flexible electrical extension cable (2) and a pipe processing device (40) adapted thereto.
本发明涉及一种柔性加长电缆（2）和与其配合的管加工装置（40）。
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