DHD360 high wind pressure down-the-hole drill bit
DHD series high-pressure down-the-hole drill bit DHD360 […]
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2020 年 10 月
DHD350 high wind pressure down-the-hole drill bit
DHD series high-pressure down-the-hole drill bit DHD350
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DHD340A high wind pressure down-the-hole drill bit
DHD series high-pressure down-the-hole drill bit DHD340
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DHD340 series high-pressure down-the-hole drill bits
DHD series high-pressure down-the-hole drill bit DHD340
DHD340 series high-pressure down-the-hole drill bits Read More »
DHD3.5 high wind pressure down-the-hole drill bit
DHD series high-pressure down-the-hole drill bit DHD3.5
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SP1280 high wind pressure down-the-hole drill bit
SP1280 high-pressure down-the-hole drill bit is a conve
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SP1480 high wind pressure down-the-hole drill bit
SP1480 bit is a double-tooth concave high-pressure down
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SP1080 high wind pressure down-the-hole drill bit
SP1080 high-pressure down-the-hole drill bit is a conve
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SP882 high wind pressure down-the-hole drill bit
SP882 drill bit is a flat-type down-the-hole drill bit,
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SP680 high wind pressure down-the-hole drill bit
SP680 drill bit is a flat-type down-the-hole drill bit,
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