API gravity

短语

[化] API(美国石油学会比重指数)

词形变化

API gravities 复数 API gravities

释义与例句

n.
  1. 1.

    A specific gravity scale measuring the relative density of various petroleum liquids, expressed in degrees.

    可数 不可数

词源

From API (“American Petroleum Institute”).

来源：wiktionary