求翻译：蓄电池放电仪在工程上的主要应用有两个方面：一，蓄电池在出厂前需要经过几次充放电来检测蓄电池的容量，这就需要蓄电池放电仪来检测单节蓄电池的电量，以保证成组的每节蓄电池的容量是相近的；二，蓄电池在使用过程中容量会下降，为了保证每节蓄电池的电量相近，就需要蓄电池放电仪来检测蓄电池的容量，及时更换容量小的蓄电池。是什么意思？

Battery discharge instrument engineering has two aspects: one, before leaving the factory, the battery after several charge and discharge to detect the capacity of the battery, which requires the battery discharge instrument to detect single-cell battery power to ensure that the group each section o

The battery discharge, the engineering major with two aspects: one, the battery is the factory after a few times to charge and discharge the battery of tests, which will require capacity battery discharge scanner to detect single-cell battery charge, as a group to ensure that each section of the bat

The battery discharge meter has two aspects in project main application: One, the accumulator cell needs to pass through several time charging and discharging before the exwork to examine the accumulator cell the capacity, this needs the bat

Battery discharge instrument in engineering Shang of main application has two a area: a, battery in factory Qian needs after times charging and discharging to detection battery of capacity, this on needs battery discharge instrument to detection single section battery of power, to guarantee into Gro