The trebuchet is a long distance heavy offensive and defensive weapon in the ancient China.

抛石机是我国古代一种远程重型战具，应用于攻击防守战中。

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The trebuchet is a long distance heavy offensive and defensive weapon in the ancient China.

抛石机是我国古代一种远程重型战具，应用于攻击防守战中。

youdao