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polished rod head
polished rod horsepower
polished section
polished specimen
polished stone coefficient (C.P.S.)
polished stone value (P.S.V.)
polished surface
polished thin section
polished wire
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polished stone coefficient (C.P.S.)
➞
polished stone coefficient (C.P.S.)
Definitions
[1] 石料磨光系数
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polished stone coefficient (C.P.S.)