防滑装置(材料、踏面等)，防滑的，抗滑的，防滑的装置
1. non-slip device (material, tread, etc.), non-skid, anti-slip, anti-skid
noun (common) (futsuumeishi)
nouns which may take the genitive case particle 'no'
备用方案(尤指在大学招生方面)，备用选择，保险选择，应急方案
2. back-up option (esp. with regard to university admissions), back-up choice, insurance choice, contingency option
noun (common) (futsuumeishi)