o型圈英语怎么说

o-shaped airproof ring

很高兴为你回答：Tsui components of water flower hat, a head of water, water, and gaskets, O-ring, take over with

是不是做开关柜的厂家啊。。。TORSION SPRING 扭转弹簧VALVE 阀门 ref 应该是产品编号SAFET VALVE 安全阀INT'L CIRCLIP 内档圈"O"RING O型圈OILITE BUSH 含油轴套swing bolt 活节螺栓SPRING PLUNGER 弹簧锁销SHOULDER SCREW 有肩螺钉BALL KNOB 球形把手HANDLE 把手东西就是这些东西前面的应该是品牌，后面的是产品型号或者编号