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【多选题】
被测要素采用最大实体要求的零形位公差时，______。A.
位置公差值的框格内标注符号E
B.
形位公差值的框格内标注符号 0M
C.
实际被测要素处于最大实体尺寸时，允许的形位误差为零
D.
被测要素遵守的最大实体实效边界等于最大实体边界
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举一反三
【单选题】反应 2A +B→C 的速率方程式为 v = kc 2 (A)∙ c (B) ,则速率常数 k 的单位是
A.
(浓度) ∙ (时间)
B.
(浓度) –1 ∙ (时间) –1
C.
(浓度) –2 ∙ (时间) –1
D.
(浓度) 2 ∙ (时间) –1
【简答题】In order to overcome culture shock, the priority is to conquer ___________.
【简答题】A. Fill in the blanks with the words given below. Change the form where necessary. scale impact tackle opponent sustain promote establish foundation 1. Water and oxygen are basic needs for human being...
【单选题】There are a few cases where the name of the acid is changed slightly from that of the acid radical; for example, H 3 PO 4 is rather than .
A.
phosphic acid….. phosphoric acid
B.
phosphoric acid……phosphic acid
【简答题】The government’s priority is to build more power plants.
【简答题】Fill in the blanks with the words given below. Change the form where necessary. scale impact tackle opponent sustain promote establish foundation Water and oxygen are basic n...
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