必要的

Possessing the essential of natural plant extracts such as green pea, red beans and yellow beans.

拥有必要的天然植物提取物，如青豌豆，红豆和黄豆。

Excessive grinding or abrasion of this product may create airbome dust and fober concentrations in excess of state and Federal OSHA permissible exposure limits.if employee exposures exceed these PELs,local exhanst ventilation or other mechanical ventilation systems may be required to reduce such exposures to concentrations below the PELs.if mechanical exhaust ventilation is necessary,exhaust air should be appropriately filtered or otherwise controlled to meet local ,state and Federal air pollution and air quality laws and standards

磨削过度磨损或这种产品可能造成机载尘fober浓度超过州政府和联邦政府1921年允许暴露限定。如果雇员暴露超过这些研究生，局部排气通风或其他机械通风系统，可要求减少这种暴露浓度低于该PELs。如果机械排风是必要的，排风应适当过滤或以其他方式控制，以符合当地，州和联邦空气污染和空气质量法规和标准

If perlite is reused, sterilization may be necessary.

如果珍珠岩是重复使用，消毒可能是必要的。

This is when a personal injury lawyer is necessary.

这是当一个人身伤害律师是必要的。

So it is necessary to confirm the ground bearing capacity of soil with pertinency.

针对不同区域准确确定承载力是非常必要的。

Some parts of the petition it is necessary to work

某些地方信访工作是很有必要的

Article 9 Blood stations must conduct necessary physical checkup of blood donors free of charge.

第九条血站对献血者必须免费进行必要的健康检查

Physical therapy is necessary to improve joint mobility.

物理治疗是必要的联合，以改善流动性。

Few philosophers nowadays either believe in such reduction or think that it is necessary for physicalism.

现在很少有哲学家相信这种简约或还原，也很少认为这种归结对物理主义是必要的。

"I made myself some; and with the exception of a file, I have all that are necessary,--a chisel , pincers, and lever."

"我自己做了几样，除了少一把锉刀以外其余必要的我都有了，我有凿子，钳子和锤子。"

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。