1)oil seal holder,油密封圈[支架]2)oil sealing ring,油密封圈3)sealing cap holder,密封盖支架4)oil seal retainer,油密封护圈5)track roller frame seal,履带支重轮[台车]架密封圈6)skeleton oil seal,骨架油封密封
用法例句
The axial skeleton oil seal system was described, including spiral seal, face seal and lip-type seal.
