opa的读音 opa中文意思
读音
abbr. odd-paired 奇数对；optical plotting attachment 光学测绘附加装置；optoelectric pulse amplifier 光电脉冲放大器opa 用法和例句
- Even so , the opa was never popular .
- 尽管如此，价格管理局从未受到欢迎。
- His new business , opa cove , sells sporting good products for children .
- 他新商行opacove，出售儿童运动好产品。
- The first element is the direct costs of plugging the well and cleaning up the pollution , which under the oil pollution act ( opa ) , passed in 1990 after the exxon valdez spill , must be borne by the company .
- 第一个要素是堵塞漏油井、清理污染的直接花费，这些要遵守1990年埃克森瓦尔迪兹号漏油事件后的《油污法案》，必须由该公司来运载。