If you have high blood pressure, cutting back on booze could produce a small but significant drop of 2 to 4 mm Hg systolic (the top number) and 1 to 2 mm Hg diastolic (the bottom number).
如果你有高血压，那么当你减少饮酒量时，可以使心脏收缩压有很小但又有意义的下降，可以下降2 - 4毫米汞柱(上面的数即分子数值)，以及心脏舒张压下降1 - 2毫米汞柱(下面的数即分母数值)。
System in mining field pressure-blasting machine site, widely used in grinding anterior process, it can produce a lot of powder grinding, reduce the high cost of grinding the load.
制砂机现场在矿业领域，广泛地应用于磨矿前段工艺，它能产生大量的粉矿，减少高成本的磨矿负荷。
High energy multiple pulse overbalanced perforating is a new perforating and stimulation technique which USES high energy fuel's burning to produce pressure in interest formation.
高能多脉冲超正压射孔技术是一项利用高能燃料的燃烧在目的层产生压力的超正压射孔或增产新技术。
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