充气不足 meaning in English

under inflation
under-inflation

To inflate pull the tabs down firmly , but don ' t inflate while in the cabin . if your vest needs further inflation , blow into the tubes on either side of your vest
然后打开充气阀门，但在客舱内不要充气，充气不足时，请将救生衣上部的两个充气管拉出，用嘴向里充气。
To inflate ， pull the tabs down firmly , but don ' t inflate while in the cabin . if your vest needs further inflation , blow into the tubes on either side of your vest
然后打开充气阀门，但在客舱内不要充气，充气不足时，请将救生衣上部的两个充气管拉出，用嘴向里充气。
The former has to be operated in a complex way , while the latter has a tendency to charge too much or not enough , greatly affecting the accuracy of the observation data . moreover , both drive observers so hard that they have to read the metrical data of glass and thermometer , before finding out the proper net lifting force through manual work
前者操作复杂，后者容易造成充气不足或过多，影响观测数据的准确性，而且这两种方法都需要观测人员读取气压计和温度计的测量值，再经过人工查表得出气球应具有的净举力，工作量较大。