輸入需要查詢的關鍵字：
詞語：underpick
underpick的解釋
underpickn. 下投梭
underpick的意思
underpick 下投梭;underpick loom 下投梭織機;parallel underpick motion 平行運動下投梭機構;lever pick loom underpick loom 下投梭織機;