Stem cell transplants offer hope to the thousands of people worldwide every year who suffer chemical burns on their corneas from heavy-duty cleansers or other substances at work or at home.
干细胞移植给了全世界每年因为化学烧伤角膜的数千患者治愈的希望，这些患者通常是在工作场所或家中因接触强腐蚀力的清洁剂而不慎灼伤。
The second includes installation of an intercom and buzzer system in every police cell , linked to a console beside the duty officer ' s desk.
第二项计划包括在警署每个羁留室安装一个内部通话器及警钟系统，连接至当值人员办公桌旁的一个控制台。
The four twin-barreled cannons draws power from a heavy duty backpack-mounted power cell.
四门双管炮从背包内的重型电池中获取动力。
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