对夹式止回阀 Wafer Check Valves ; wafer check ; Wafer type check valve

止回阀夹 check-valve clamp

回收站文件夹 RECYCLER

川味回锅肉夹饼 Sichuan twice-cooked pork pie folder

制品夹取4回路 product gripping 4 circuit

回转节式夹 swivel type clip

双板对夹式止回阀 dual plate wafer type check valve

滚子夹套式回转支承 [机] roller slewing ring

回形夹项链 paper clip necklace