可: approve换: exchange; barter; trade印: seal; stamp; chop字: character; word杆: shaft; rod; bar可(交)换印字杆: bar, interchangeable type可互换印字机印字杆: printer type bar interchangeable; printer type bar, interchangeable印字杆: type bar固定印字杆: bar, fixed type可交印字杆: interchangeable type bar印字杆车: type bar carriage字杆印字机: printer bar; printer chaii; printer, bar打字杆印字机: type-bar printer固定式印字杆: type bar fixed打字杆印字方式: type bar systemt字杆: t-bar换印鉴: supersede chop印字: lettering; print drum; printing; typewrite; typing; wording打字杆: type-bar工字杆: h-post十字杆: cross rod; cross staff激光转换印刷: laser transfer printing; lasertransferprinting丁字杆顶出: cross-head ejection固定字杆: fixed type bar十字杆浮标: cross spar buoy