i5T3.6智能车床选用的是哪种类型的刀架？
参考答案：i5T3.6智能车床选用的是100mm中心高伺服刀架。
— These grapes look really beautiful.
— They _______! See the price $3.99 a pound. Very expensive, aren't they!
[ ]
A. would
B. could
C. might
D. should
无公害农产品标志3号规格的尺寸（直径）为（）mm。
A、10
B、15
C、20
D、30
