The second inlet port requires connection to a second Regulated Air Source meeting Grade D Specifications.
零一个进气孔与次级控制的空气源相连接，满足D级要求。
Grade d: Hair and, where relevant, beard should be covered. A general protective suit and appropriate shoes or overshoes should be worn.
级：头发和胡须要覆盖，要穿戴一般工作服和合适的工作鞋或鞋套。
Figure 3: Performance TAB shows you a letter grade (a, b, c, d, f) and a percent grade (1-100).
图3：性能标签使用字母(A,B,C,D,F)表示等级以及当前等级(1- 100)。
But it will matter for their results. If pupils fail this component of the exams, they will not score higher than a D grade.
但是这对于考试结果很重要，如果学生不能通过考试中的这一部分，他们就得不到超过D的分数。
The Cato Institute, a libertarian think-tank, gave him a "d" grade for fiscal policy.
Cato研究所，一个自由意志主义者的智囊团，在财政政策上给了他一个“D”。
The study and test of rolling technology were carried out because the strain-age impact toughness of D grade hull plate could not meet the standard by conventional rolling technology.
针对韶关钢铁集团公司在用常规热轧工艺开发薄规格D级船板时出现应变时效不合问题进行了研究和工业试验。
Over the year, her son's eighth grade class saved up money and worked on projects so that next week they could take a class trip to Washington, D. c.
过去一年，她儿子所在的八年级存下了一些钱，并制定了一个计划，下周，他们将参加班级旅行来到华盛顿特区。
D. program, work is not divided neatly into separate courses, professors do not partition tasks into little assignments, and the student does not receive a grade for each small step.
教授不会把任务细分到很小，学生也不会每个小的阶段都得到一个分数。你能够自觉的保持向一个目标努力工作，而不需要一天天的鼓励么？
Failing to return back at least 7 problem sets will result in a maximum final letter grade of d.
不能提交至少七组问题集，最后成绩不会高于D。
All those initial loans have since matured and for the last two and a half years I have been focusing completely on the D-G grade loans.
所有这些初始贷款后来都成熟了，而且在过去的两年半里，我完全在关注D级至G级贷款。
Adhering to the Supplier Rating System and methodically changing 4 D-grade suppliers can earn a new supplier a rank of B grade or above.
按供应商等级，有计划地更换D等供应商4个。新开发供应商达到B等以上。
(Polyvinyl Chloride) PVC conforming to ASTM D-1784, Classification 12454-b, formerly designated Type I, Grade 1, is the most frequently specified of all thermoplastic piping materials.
(聚氯乙烯)PV C符合ASTMD- 1784，类别12454 -B标准，以前定义为类别i，等级1，是所有热塑塑料管道材料中应用最广泛的材料。
(Chlorinated Polyvinyl Chloride) CPVC conforming to ASTM D-1784, Classification 23447-B, formerly designated Type IV, Grade 1, is a resin created by the postchlorination of a PVC polymer.
（氯化聚氯乙烯）CPVC符合ASTMD-1784，类别23447-B标准，以前定义为IV类别，等级1，是由PVC聚合物进行后氯化处理后产生的一种树脂。
In Southeast D. C., Lisa Suben teaches fifth-grade math at KIPP DC: AIM Academy, one of 99 Knowledge is Power Program charter schools around the country.
在华盛顿东南，AIMAcademy是美国99所“知识就是力量计划”认证学校之一，Lisa Suben在这里教授五年级的数学。
The grade of carotid atherosclerosis in ND group was also higher than that in D group (P<0.05).
非杓形组的斑块程度分级高于杓形组（P＜0.05）；
LIANG Chun-yu. Test Study of 30# Hard Grade Asphalt Used for Mid or Lower Surface Layers of Asphalt Pavement[D]. Chuangchun:Jilin University, 2007.
梁春雨。30#硬质沥青用于沥青路面中下面层的试验研究[D]。长春：吉林大学， 2007。
Group d: 17 cases were traditionally treated, the grade of restoration were 1, 9, 2, 5 respectively.
D组：17例进行非手术治疗，完全改善1例，明显改善9例，部分改善2例，无改善5例。
Group d: 17 cases were traditionally treated, the grade of restoration were 1, 9, 2, 5 respectively.
D组：17例进行非手术治疗，完全改善1例，明显改善9例，部分改善2例，无改善5例。
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