等级 – phrases

Terms for subject Rail transport containing 等级 | all forms | in specified order only

Chinese	English
凭等级买卖	sales by grade
工作制等级	duty class
抗渗等级	grade of impermeability
污染等级	pollution level
混凝土强度等级	strength grades of concrete
湿陷等级	class of collapsibility
火灾危险等级	fire danger rating
电力负荷等级	electric load grade
等效声压级	equivalent sound pressure level
等级标识	class mark
线路等级	line grade
超限等级	out-of-gauge grade
超限货物等级	classification of out-of-gauge freight
防水等级	waterproof level
防火等级	fire-proof grade
风力等级	scale of wind force
风险等级	risk grade
风险损失等级	risk management grade