notched impart strength 缺口冲击强度
May Thy rich grace impart strength to my fainting heart.
主赐能力恩惠，在我软弱心内。
Forging machine operators operate forging machines to form and shape metal into various shapes and sizes and impart desired strength, hardness or other characteristics.
锻压机床经营者操作锻压机，将金属形成和塑造成各种形状和尺寸，并传播所需的强度，硬度或其他特性。
Often used in combination with phenolic resins which impart some rigidity and add strength and fade resistance.
经常用于与酚醛树脂的使材料有一定的刚性，提高强度和耐磨性用于弹性的刹车带材料。
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