Reports in the Sun suggested that Jackson may have collapsed after an injection of Demerol, a powerful painkiller that can in certain circumstances increase the risk of cardiac arrest.
《太阳报》的报道称杰克逊可能是由于注射了杜冷丁导致的心脏衰竭。 这种止痛剂的药力非常强劲，在某些情况下确实会增加心博停止的可能性。
Excessively high injection speed can cause high surface orientation and increase susceptibility to stress cracking.
过高的注塑速度会引起较高的表面方向性及增加应力破裂的敏感性。
Sputtering is now widely applied on cutting tools, forming tools, injection molding tools, and common tools such as punches and dies, to increase wear resistance and service life.
现在反应溅射法已被广泛应用于切削刀具、成型工具、注射模具和诸如冲头和冲模之类的通用器具，以增强其耐磨性和使用寿命。
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