1·The machine has railway protective cover device for ensuring the smooth road vehicles.
本机有道轨防护罩装置，保证工作车行进顺畅。
2·The utility model relates to a bicycle cushion protective cover, belonging to the bicycle field.
本实用新型涉及一种自行车座垫防护罩，属于自行车领域。
3·With plastic cup as protective cover, directive spraying of roundup water agent is safe for seedlings, of better weeding effect, and to save time and money.
用一次性塑料杯作防护罩，草甘膦水剂定向喷雾，对苗木安全、除草效果好、省工、省钱，比人工除草节约成本74%。