constancy of volume的用法和樣例：
例句
- In a factory in China before the adoption of the foreign company roller high wire because ink of exorbitance there is a problem, it shows a net volume on roller production.
疇后國邊某廠(chǎng)拔取國邊一家廠(chǎng)商的矮網(wǎng)線(xiàn)網(wǎng)紋輥不離因為傳墨度過(guò)矮不入現題目，這足以表明網(wǎng)孔容積不差網(wǎng)紋輥制作的次給性。
