D7系列 多功能限位器 SUPPORT BETWEEN CHINESE AND ENGUISH CHINESE AND JAPANESE TRANSLATION TEXT.W EB PAGE.S NPLY TYPE DD YOU WANT TO TRANSLATE THE TEXT OR WES PACE A DDRESS,YOU CAN EASILY GET TRANSLATION RESULTS 传动比： 1:13/17/25/46/60 /78/120/210/274 /660/960 铝壳/树脂壳