311] 《空气污染管制（尘埃及砂砾排放）规例》〔第311章〕 air pollution control equipment空气污染控制设备 Air Pollution Control (Fuel Restriction) Regulations [Cap. 311] 《空气污染管制（燃料限制）规例》〔第311章〕 .
What is the level of competition in the Indian market for airpollutioncontrolequipment?
印度的防止大气污染设备市场上的竞争层级？
2
What are the selection criteria used for selection of airpollutioncontrolequipment supplier?
选定防止大气污染设备供应商的标准？
3
Article 35 the owners of transportation vehicles shall maintain the effective operation of the airpollutioncontrolequipment of their vehicle and may not remove or modify this equipment.