dual wheel control双轮: double round操纵: operate; control; roll; stee ...地轮操纵杆: land level凸轮操纵: cam control凸轮操纵的: cam operated; cam-operated下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:双轮操纵，即可在微信中查询翻译
