电子装配的准备工艺主要有哪些?
参考答案:
装配准备通常包括导线和电缆的加工、元器件引线的成形、线扎的制作及组合件的加工等。
身面浮肿,胸胁积液宜用
A.火麻仁 B.芒硝 C.芦荟 D.甘遂 E.巴豆
The boy talked his mother ________ buying him a home computer.[ ]
A. of
B. over
C. to
D. into