呼出限制即"发话限制"，对本电话设置密码，使用时需先输入密码，方可使用。
呼出限制任何你感到紧张，自然你的肺部从移动充分。
Breathe out any tensions you feel restricting your lungs from moving fully and naturally.
欠费后第二个月实行更为严厉的限制，该用户既不能呼出也不能被呼；
Owing behind the second month of fee practices the more scathing restrict, that customer can't exhale nor to is shouted;
口腔和鼻腔喷雾杯减少减轻死领空，限制重新呼吸呼出的空气。
Oral nasal cup reduces fogging and lessens dead air space, limiting re-breathing of exhaled air.
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