both manufactured and improvised
无论是制造的还是即兴的
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Use was also made of catapults, both manufactured and improvised, although these were eventually replaced in the trenches by small mortars.
还有人使用弹射器，同时生产和即兴，虽然这些最终在小迫击炮的战壕取代。
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