1)Mallet/mallet-head,具有比楔形推杆有更宽、更重杆头的推杆2)push rod replacement,推杆的更换3)wedge_shaped ejector pin,楔形推杆4)putter,推杆头5)pusher ram shoe,推焦杆头6)coke pushing and levelling machine,pushing and levelling machine,有平煤杆的推焦车
用法例句
The phenomenon has been described,and the application and prospects for titanium woods,irons and putters have been discussed.
