saddle seat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。