low explosion limit

例句：

1. 1.The chemical was tested at the low explosion limit.
   该化学物质在低爆炸极限下进行了测试。
2. 2.The workers were required to wear protective gear at the low explosion limit.
   工作人员被要求在低爆炸极限下穿戴防护装备。
3. 3. The factory had to lower its production levels to avoid exceeding the low explosion limit.
   工厂不得不降低产量以避免超过低爆炸极限。