ecological natural rehabilitation
Natural ecological adaptability
natural ecological assets
natural ecological environment
Natural ecological orchard
Natural ecological system
Natural ecological zone NEZ
Drought resistance resistance
natural draught natural draft
abrasion resistance and cavitation erosion resistance
capacity of shear resistance or cross-section of shear resistance capacity
Cavitation Resistance and Abrasion Resistance
electric resistance thermometer [= electrical resistance thermometer
Thin workpiece with abrasion resistance and compression resistance
~(15)N natural abundance
“the eleventh five-years′plan” of alleviating natural disasters
10000 m3 natural gas spherical tank