I also collect many interesting gadgets, such as wrappers, butterfly, glass ball, pieces of beautiful flowers, fall on the ground of delicate hairpin.
我也收集过很多很多有趣的小玩意，比如糖纸，蝴蝶，玻璃球，美丽的花布头，掉在地上的精致发卡。
Available for all Premium Electric actuated Ball valves and Butterfly valves.
可以配置在所有高级电动球阀和蝶阀上。
Different types of valves (including ball valve, butterfly valve, cut-off valve and brake valve) commonly used in designing painting line and their features were introduced.
介绍了涂装线设计中常用的各种类型的阀门(包括球阀、蝶阀、截止阀、闸阀)及其特点。
应用推荐