nominal
发表于 2025-3-28 16:40:22
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疏忽
发表于 2025-3-28 20:43:31
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callous
发表于 2025-3-28 23:34:34
Instrumentation Systems for Guided Boring,tool location, even though it is out of sight of the operator. Instrumentation is required to locate, track, and steer a guided system. In this chapter we discuss a number of different types of systems that have been used for directional drilling and boring that may be adaptable to trenchless techno
DRILL
发表于 2025-3-29 07:04:44
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按时间顺序
发表于 2025-3-29 08:20:36
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公共汽车
发表于 2025-3-29 13:00:07
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exorbitant
发表于 2025-3-29 18:09:09
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辩论
发表于 2025-3-29 20:02:19
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作茧自缚
发表于 2025-3-30 02:31:56
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Charlatan
发表于 2025-3-30 04:16:30
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