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Valve cover on a ring, with the American Petroleum Institute API standards.

阀盖设有上密封圈，符合美国石油协会API标准。

Performance beyond the American Petroleum Institute API GL-5 + requirements.

性能超越美国石油学会API GL-5+要求。

Fuel oil and natural gas pipe to meet the American Petroleum Institute standard API 5L.

石油天然气燃油管件满足美国石油协会标准 API 5L 。

Exceeds American petroleum Institute API's rating standard.

超越美国石油协会API质量等级标准。

The company was in March 2005 formally submitted to the American Petroleum Institute API signs of the use of applications, is expected to be approved recently.

公司已于2005年3月正式向美国石油协会递交了API会标使用申请，有望近期可获得批准。

For a wide variety of lithologies from granite through gneiss, carbonate and amphibolite to basaltic rocks, it is shown that this relation is valid in the range 0～350 API and 0.03～7μW/m3 respectively with an error lower than 10%.

从片麻岩、碳酸盐岩、角闪岩、花岗岩到玄武岩，在这样宽的岩性变化范围内，显示出这种线性关系在0～350 API和0.03～7 μW/m3范围是有效的，其误差均小于10％。

Products used ANSI, API, BS, DIN and other standards for the design and manufacture.

产品采用ANSI、API、BS、DIN等标准进行设计制造。

Thus, this is part of the public API.

因此，这是公共API的一部分。

The benefit of this API is that it is very easy to use.

这个API的好处是，它非常容易使用。

It is a simple, elegant, and fast API.

它是一个简单的、优雅的、快速的API。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。