工学 园路工程 释 step 台阶 上下台基之间的阶梯。一般指用砖、石、混凝土等材料连接不同标高地面之间的踏步及构件。
step ①踏板 ②轴瓦 ③步 ④级 ⑤阶跃
step 步 长 ；阶段；阶梯；阶跃
＞物理化学＞结构化学＞释义 step 台阶
理论计算机科学 佩特里网 释文 step 步
- road traffic marking
- road traffic offenses management information system
- road traffic organization
- Road Traffic Safety Association of China
- Road Traffic Safety Association of the People's Republic of China
- road traffic safety early-warning
- road traffic safety enforcement
- road traffic safety information system
- road traffic safety preparedness
- road traffic safety publicity
- road traffic security
- road traffic sign
- road traffic signal controller
- road traffic signals
- road traffic system
- road transit online ticketing
- road transportation development
- road transportation employee
- road transportation for bulky cargo
- road transportation of dangerous goods
- road transportation of open pit
- road transportation operation permit
- road transportation safety
- road transport organization and management
- road transport volume