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“residual gases”簡單造句,residual gases造句子

欄目: 造句 / 發佈於: / 人氣:2.22W

1、A flame produced in the breech of a gun by ignition of residual gases.

3、It is necessary to solve openning-tube sampling problem for the mass-spectrometer analysis of residual gases in sealed vacuum devices.

residual gases造句

2、flareback:a flame produced in the breech of a gun by ignition of residual gases.