权威例句
BratticebratticeBRATTICE WINDOW METHOD FOR MEASURING LEAKAGE THROUGH MINE STOPPINGSSELF-SEALING BRATTICE FOR COAL MINE RESCUE AND RECOVERYBUREAU OF MINES DAMAGE-RESISTANT BRATTICEDamage-resistant brattice support stoppings in mines with large entriesExtensible face ventilation systems - duct and brattice. Final reportEvaluation of line brattice length in an empty heading to improve air flow rate at the face using CFDIntroduction and evaluation of a novel hybrid brattice for improved dust control in underground mining faces: A computational studyFace ventilation in underground bituminous coal mines, performance characteristics of common jute line brattice