At last as we all know traditional pullers don't have locating device while hydraulic pullers possess locating handle.
最后，我们知道传统拔卸器是没有定位装置的，而液压式拔卸器却有定位手柄。
The invention relates to a circular duct butt-welding rapid spotting and locating device and a circular duct butt-welding method.
本发明涉及一种圆管对焊快速找正定位装置及圆管对焊方法。
This water sampler consists of water diverting device, water sampling controller, the locating device, the controlling electric circuit and the single-board computer system.
采样器由引水装置，采水量控制装置、定位装置、控制电路、单板机系统构成。
This water sampler consists of water diverting device, water sampling controller, the locating device, the controlling electric circuit and the single-board computer system.
采样器由引水装置，采水量控制装置、定位装置、控制电路、单板机系统构成。
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