Free flows due to regulator freeze-up are caused primarily when ice forming around the mechanicals of a regulator first-stage disallows it from functioning properly.
2
好了，吁，你的头一级本该选个简单点的，像是吟游诗人或是游荡者。
Well, gee, you should have taken your first level in something easier, like bard or rogue.
3
结果表明，一级旋风分离器爆裂是由于其下封头受到冲蚀损伤，壁厚大面积减薄导致材料强度不足所致。
The results showed that the burst failure of the primary cyclone separator was caused by inadequate material strength resulted from flushing damage and reduced in thickness in large area.
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