Task Sheet: A: Board Meeting: how to prepare a board meeting B: Company Annual Report: what to be included in this kind of report C: Transportation: the factors involved in choosing a specific means for transporting products
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【简答题】速度继电器的动作转速一般不低于 r/min,复位转速约在 r / min以下。 一般速度继电器转速达到 r/min 以上,触头即动作。
【简答题】( ) 1 This is____egg. ____egg is big 。 A. a; A B. an; An C. a; The D. an; The ( ) 2 There is___ 'W in___word map. A. a; an B. an; a C. an; the D. a; the ( ) 3 Here is basket. ___ basket is mine. A. a;...