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hydraulic drilling machine
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hydraulic drilling machine
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凿岩机械
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hydraulic drilling machine
液压凿岩机
依靠液压通过惰性气体和冲击体冲击钢钎,凿击岩石的机械。是凿岩机的一种。
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rauwolfia alkaloid
rauwolfine
RAVE
Ravel,Joseph Maurice
Ravenna
raven paradox
Raven's progressive matrices
ravine
ravine function
Ravi Shankar
Ravi Varma
RAW
raw
Rawal Lake
Rawalpindi
raw and processed medicinals have different action
raw and semifinished materials industry
rawap
raw-bamboo
raw building materials
raw case approach
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raw data
raw dried-aquatic products
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