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黏度指数
oil viscosity exponent
space viscidity index; viscosity index (黏度随温度变化的程度)
tech. viscosity index; viscosity index figure
黏度指数
: 32 phrases in 11 subjects
Architecture1
Aviation1
Construction1
Earth sciences3
General1
Oil / petroleum5
Plastics2
Shipbuilding2
Space2
Technology13
Textile industry1