1990年洁净空气法修正案要求机动车随车配备控制约90%补给燃料汽化系统。
Clean Air Amendments (1990) required that motor vehicles be equipped with onboard systems to control about 90 percent of refueling vapors.
1990年洁净空气法修正案要求机动车随车配备控制约90%补给燃料汽化系统。
Clean Air Amendments (1990) required that motor vehicles be equipped with onboard systems to control about 90 percent of refueling vapors.
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