可选硬管、收工工具和阶梯工具。
Optional floor wand, hand tool, and stair tool are available.
在为各种非金属软管与硬管的联接上，提供了可靠的卡具。
The utility model provides a reliable clamping device for connection between various nonmetallic hoses and hard tubes.
本发明涉及一种拧式钢丝喉箍，用于管道连接中软管和硬管密封固定。
The invention relates to a screw-type steel wire hose clamp used in sealing fixation of flexible pipes and rigid pipes in pipeline connection.
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