Will the contractor have to use a different grade of asphalt binder?

承包商是否必须使用不同级别的粘合剂？

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Molecular weight of PVC and different grade of ABS affected the viscosity of the blends, too.

同时ABS的种类和PVC 相对分子质量的大小也影响共混物的表观粘度。

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"In those cases, if you show the sample to a different pathologist, you often get a different grade," he says.

他说：“在这些情况下，如果你把这些样品展示给不同的病理学家，他们通常会给出不同的分级。”

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"And it's really interesting because for many children, especially in first grade, they are very unaware that these different things go on in other homes.

VOA: special.2009.12.24

As I mentioned, we'll rotate the teaching fellows through different parts of the alphabet, so every teaching fellow will have equal opportunity to grade work from each person in the class.

如我所说,我们会根据字母顺序,来更换助教,因此,每一位助教都有相同的机会,为班上每个人的作业评分

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The solution to this is free trade in crude oil: some portion of US production should be shipped abroad and replaced with crude of a different grade to make up that optimal mixture.

FORBES: Should The US Allow Crude Oil Exports? Obviously, Clearly, Yes

They express serious concerns about the implications of the decision for future awards and that the committee was being put in a position that was "essentially untenable" in having to recommend that a student in Wales would get a different grade to a student in England despite achieving an identical mark.

BBC: GCSE English regrade 'damaging', Welsh government warned

"If I were to intervene at that stage, it would essentially mean I would say the setting of grade boundaries in Wales will be done on a different basis from the setting of grade boundaries in England, " he said.

BBC: GCSEs: Leighton Andrews defends lack of early action