您要查找的是不是：
- Systems used in oxygen service must meet stringent cleaning requirements to eliminate any incompatible contaminants. 用于氧设施的系统必须满足严格的清洁要求，排除任何不相容的污染物。
- We can help you devise the best solution to your cleaning requirements, be it using tried and tested haloginated solvents (Perc) or biodegradable solvents (Pentylacetate, Hydrocarbons). 干洗机价格我们可以帮助您制定最好的解决办法，以您的清洁要求，无论是使用久经考验haloginated溶剂（ perc ）或生物降解的溶剂（ pentylacetate ，碳氢化合物） 。
- Clean clothes and good manners are prepossessing. 清洁的衣服和良好的举止能给人以好感。
- Let's clean down the board before we paint it. 让我们在上漆以前把这块板洗干净。
- The dentist was cleaning and taking out teeth. 牙科医生正在清洁和拔牙。
- It's important for the college freshman to keep his nose clean. 对大学新生而言洁身自好是很重要的。
- Sufficient to satisfy a requirement or meet a need. 足够的足以满足要求或需求的
- Our immediate requirement is extra staff. 我们亟需增加工作人员。
- The same requirement holds good for all applicants. 这同一条件适用于所有的申请人。
- Why is it that I always land up cleaning the bath? 为什麽总是该我来洗刷浴缸?
- He was busily employed in cleaning his shoes. 他忙著擦鞋。
- She is cleaning up the kitchen now. 她现在正在打扫厨房。
- She was cleaning the bedroom when he called her. 他给她打电话时她正在打扫卧房。
- For the moment we cannot supply your requirement from stock. 目前我们没有现货供应你方的需求。
- She is busy cleaning the fowls in the kitchen. 她正在厨房忙著清除家禽的内脏。
- We'll give the house a thorough cleaning. 我们要把房子彻底打扫一番。
- Cleaning exposed the grain of wood. 清洁使木纹显现可见。
- The sparking-plugs need cleaning. 火花塞要清理一下了。
- They cannot (choose) but admit that our requirement is reasonable. 他们不得不承认我们的要求是合理的。
- The action of cleaning computer viruses. 清除计算机病毒的动作［过程］。
