“向心”造句

由于向心内生长而形成半球状弯陷的情况是很常见的.
Smooth hemispherical embayments by the intergrowth towards the center are not uncommon.

这叫做向心加速度.
It is called the centripetal acceleration.

轴承和密封轴承采用国内名牌产品, 单列向心球轴承.
Bearings and sealed bearings with domestic brands, single row radial ball bearings.

• #向心