以下为句子列表：
英文: A pneumatic tourniquet with a hand pump and an accurate pressure gauge is probably the safest, but a constantly regulated pressure tourniquet is quite satisfactory if it is properly maintained and checked.
中文: 具有手动加压泵及精确气压表的充气止血带可能是最为安全的，但是只要正确保养和检查，持续调压式止血带也相当满意。
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