reduction ring opening 还原开环反应
reduction ring-opening reaction 还原开环反应
imidazoline reduction ring-opening 咪唑啉还原开环
As the Tories have promised to ring-fence the NHS, an even sharper reduction in expenditure lies ahead for unprotected areas such as defence and transport.
保守党已经承诺紧缩国民保健制度服务的开支，对于国防部门和运输部门等不受保护的领域，今后开支减少的幅度会更大。
Practice results show that ladder Rasching ring filler is low in pressure reduction and good in anti fouling, which can lengthen the operation duration of the washing tower.
实践使用结果表明，阶梯拉西环填料的压降低、抗污堵性能好，可延长洗涤塔的运行周期。
Properties sold within the second ring road area have seen a reduction of around 50 percent, since the policy was introduced.
自从引进该政策以来，二环路的房产销售下降了50%左右。
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