The pictured cutter head of the RTBM, weighing about 90 tonnes, is made up of a main cutter disk and four auxiliary cutter disks.
The pictured cutter head of the RTBM, weighing about 90 tonnes, is made up of a main cutter disk and four auxiliary cutter disks.
The pictured cutter head of the RTBM, weighing about 90 tonnes, is made up of a main cutter disk and four auxiliary cutter disks.
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