plate washer 平板垫圈 ; 档板 ; 板状垫圈 ; 平垫圈

Steel Plate Square Washer 方形钢垫板

Thermo Scientific Plate Washer 洗板机

adjusting plate washer 调整片垫圈

door plate pin washer 炉门板锁垫圈

ejector plate washer 推板垫圈

hospital plate washer 医用洗板机

pitman plate washer 连杆头平垫片

steel plate washer detail 钢垫片