它的外壳吱吱作响，准备打开——弧形盖板向外折叠，致命的等离子电浆喷薄欲出。
Its carapace seemed to crack open—broad curving plates folded out of the way of its deadly plasma mortar.
研究了以塑料包装取代金属外壳所实现的新型软包装锂离子电池的电化学性能。
The paper studies the electrochemical characterization of new soft packing lithium ion batteries which are cased by plastic packing material instead of metal material.
为此，液态锂离子电池都是采用刚性的金属外壳如钢壳、铝壳等作外包装。
To avoid these dangerous things happening, liquid lithium-ion batteries all adopt rigid metal shell such as steel and aluminum as out covering.
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