FROM U.S. CUSTOMAR TO METRIC 从美国惯例单位到公制单位WHEN YOU KNOWMULTIPLY BYTO FIND 已知单位乘以求得单位
inches英寸25.4millimeters公厘2.54centimeters公分feet英尺30.48centimeters公分yards码0.91meters公尺miles英里1.61kilometers公里teaspoons茶匙4.93milliliters毫升tablespoons大匙14.79milliliters毫升fluid ounces液盎...
