Conventional inductance type ballast will be washed out as its so many disadvantages, so electronic ballasts are taking the dominant status in ballast market gradually.

而传统的电感式镇流器因其诸多弊病将被逐渐淘汰，电子式镇流器以其强大的优越性能正不断占据镇流器市场的主导地位。

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In calibrating the leak, the pressure in the ballast chamber can be precisely controlled in such a way that the standard gas flow through the orifice is close or equal to the leak rate.

在漏孔校准过程中，通过调节稳压室中的压力，很容易使标准气体流量与漏孔漏率非常接近或相等，从而避免四极质谱计的非线性影响。

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Ballast line connection from the pipe tunnel to be extended to ballast well in the DB tank on port as well as Stbd side.

管弄出来的压载管路接头延伸至左右舷的双层底压载水井中。

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