您要查找的是不是：
- Operating under effective ventilation system or wear carbon mask. 有效抽风或配戴防毒口罩。
- Good shock absorption, effective ventilation and easily adjustable suspension. 震动吸收,有效的通风和容易可调整的悬挂。
- Using the high-frequency and small tidal volume, HFV is able to have effective ventilation to meet the need of human metabolism on the basis of its augmented transfer mechanism. 在高频、小潮气量条件下，高频振荡呼吸基 于其强化输运机制，能够进行有效的通气，满足人体正常代谢的需要 。
- The application should be realized only in a spraying cabin or only if an effective ventilating plant exists. 建议在有抽吸设备和通风良好的环境下使用。
- That's rather an effective use of color. 这种使用颜色的手法效果相当好。
- In the short term, the medicine may not be very effective. 从眼前来看，这药可能疗效不是很大。
- When does the new system become effective? 新制度何时生效？
- The fear of ridicule is a very effective sanction. 人们不做违法乱纪的事，其中一个重要因素就是怕人耻笑。
- Effective, punitive, or destructive action. 有效的行为有效的、惩罚的或破坏性的行为
- So that is your effective remedy. 原来那就是你们所谓的有效药物。
- I think you'll have to take effective steps. 我认为你得采取有效措施。
- Gentle persuasion is more effective than force. 温和的说服胜於压服。
- This country lacks an effective party of the centre. 这个国家缺少一个能起作用的中立党派。
- In using superheated steam, compounding becomes less effective. 使用过热蒸汽时，混合的效果就会减少。
- Commercial television is an effective medium for advertising. 商业电视是有效的广告宣传工具。
- Their efforts to improve the production have been very effective. 他们提高生产力的措施卓有成效。
- So far we have not find an effective way to cure aids. 我们迄今尚未找到治疗艾滋病的有效办法。
- The most effective water power in the world-women's tears. 世界上最有效的水力是－女人的眼泪。
- effective ventilation 有效通气[量]
- This car polish is an effective shield against rust. 这种汽车上光蜡很有防锈作用。
