开采特点
development character
production performance
exploitation characteristic
试采特征
production testing characteristics
注采特征
injection-production characteristics
characteristics of injection and production
feature of injection and production
注采特征曲线
injection-production curve
亲本特征特性
characteristics of the parents
characteristics of parents
parent characteristics
characteristic of male and female parents
特征特性
Characteristic
characteristics
feature
characteristic speciality
charateristics
specific property
Character
characters
features
Traits and characteristics
characteristics and properties
characters and traits
features and characters
Performance and characteristics
main characteristics
biological characteristic
Agronomic traits
Experiment
charecteristics
三下开采风险决策
Under three mining risk decision
安全高效开采
safe and high-efficient exploitation
good safety and efficiency
按煤种分层开采
mining in slices according to coal rank