Ventilation resistance and ventilation isobar in the workings were measured with barometer.采用气压计混合读数法测定了综放采场区域的通风阻力及通风等势图.The design of spring is the critical factor to the feature of isobar filling valve.弹簧设计对于等压灌装阀的性能起...
Hopes of an early cut in interest rates bolstered confidence.利率有望早日下调，从而增强了人们的信心。The data must be bolstered by inferences and indirect estimates of varying degrees of reliability.这些资料必须借助于推理及可靠程度不同的间接估计.Bolstered by his ...