1.Downhole drilling machine: When drilling a downhole gun hole with a aperture less than 150 mm, in addition to the application of a rock drill, it can also be used to drill a small diameter of 80 ~ 150 mm. When drilling a gun hole with a diameter of less than 70 mm in coal or softer mineral rock, it is generally used to drill or air drill, driven by a motor (or air motor) to drill the drill pipe, and the rock (coal) chips drilled out are discharged through the spiral groove on the drill pipe.
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As newer models with enhanced features hit the market, there's often a demand for pre-owned devices, especially if they retain functional relevance As newer models with enhanced features hit the market, there's often a demand for pre-owned devices, especially if they retain functional relevance
It also provides a degree of noise reduction, creating a tranquil living or working environment It also provides a degree of noise reduction, creating a tranquil living or working environment
It also ensures privacy while maintaining natural light flow, creating a visually appealing and healthy living or working environment It also ensures privacy while maintaining natural light flow, creating a visually appealing and healthy living or working environment
Mirrors are known for their ability to make a room feel more spacious and airy, and the starburst design of this mirror adds a touch of whimsy and creativity to the space Mirrors are known for their ability to make a room feel more spacious and airy, and the starburst design of this mirror adds a touch of whimsy and creativity to the space