metric grain
米制格令
例句与用法：
The price quoted was for the small lot you named,5 metric tons; we can offer you10% off for a150-ton lot.
这一价格是针对你方5吨小批量订货的，如果订150吨，我们可降价10％。
Britain changed to a metric system of currency in 1970.
1970年,英国已改用公制货币。
Most countries adopt metric system.
大多数国家采用米制。
The metric-system is used in most countries over the world.
公制在世界上大多数国家使用。