常見例句雙語例句The vital capacity is a breath biggest ventilation quantity, in a sense may reflect the breath function potential power.肺活量是一次呼吸的最大通氣量,在一定意義上可反映呼吸機能的潛在能力。The density control of gas and coal dust is done through optimal allotment of the ventilation quantity in the coal mine well.煤礦井下瓦斯和煤塵的濃度控制是通過煤礦井下通風量的優(yōu)化分配實現(xiàn)的,是實現(xiàn)煤礦安全生產(chǎn)的關(guān)鍵環(huán)節(jié)。In case of meeting the dust collecting efficiency of the system, the economical ventilation quantity was determined making the system to be operated under economic condition.在滿足系統(tǒng)除塵效率的情況下,確定了除塵器經(jīng)濟入口風量,使系統(tǒng)經(jīng)濟運行。 返回 ventilation quantity