isobar

• n. [气象][力] 等压线；同重核；同重元素

iso-,等，同，-bar,重力，压力，词源同gravity,barometer.用于气象学术语等压线。

isobar (n.)

1864, coined from Greek isos "equal" (see iso-) + baros "weight," from PIE root *gwere- (2) "heavy" (see grave (adj.)). Line connecting places with the same barometric pressure at the same time.

1. 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.

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2. 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着决定性的作用.

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