saddle seats造句

• Unique design double a saddle seat sliding track, with abrasion-proof teflon lining, low friction coefficient, using heat-treatment grinding grade guide screw, handy to operate and abrasion-proof, ensuring its accuracy and durability
  独特设计双a型之鞍座滑动，配以耐磨之铁氟龙内衬，磨擦系数低，采用热处理研磨级之导螺杆，操作轻巧且耐磨，确保精度耐久性。