minus
干线导向滑轮
main line guide block【机】
暂无补充释义。
相关词条
main line index of transversality
main loop
main shaft
undermine
mine
main optic center
main pulley for secondary change-speed
main line guide block【机】
暂无补充释义。
minus
main line index of transversality
main loop
main shaft
undermine
mine
main optic center
main pulley for secondary change-speed