closure system 闭锁系统
river closure system 截流系统
RollTop closure system 顶部滚杆封闭系统
throttle closure system 油门关闭系统
roto-lock closure system 旋锁封盖系统
Container closure system 包装容器系统
algebraic closure system 代数闭包系统
Atomistic closure system 原子闭包系统
Distributive closure system 分配闭包系统
应用推荐