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API 美国石油学会比重指数 | |||
美国石油学会标准比重 | |||
API 比重 | |||
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美国石油学会重力指标 (美国石油学会采用的一种公认的石油比重指标,可粗略衡量石油的质量) | |||
English thesaurus | |||
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American Petroleum Institute gravity (index) | |||
measure of liquid specific gravity as defined by the American Petroleum Institute |
API gravity : 4 phrases in 4 subjects |
Drilling | 1 |
Engineering geology | 1 |
Oil / petroleum | 1 |
Technology | 1 |