同日，“在马屈山攻击使用了瓦斯弹”。
"used gas shells during the attack in Maqushan" on the same day;
攻击在豪山的八路军时，“使用了瓦斯弹、瓦斯筒”。
"gas shells and gas canisters were used" when attacking the Eighth Route Army in Haoshan;
攻击在豪山的八路军时，“使用了瓦斯弹、瓦斯筒”。
"gas shells and gas canisters were used" when attacking the Eighth Route Army in Haoshan;
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