因为这样，制药等级的人类蛋白质如以重量计价，可比黄金还贵。
That is one reason why, gram for gram, pharmaceutical-quality human proteins are dearer than gold.
卫生级阀门指的是用于制药，食品等行业中的，对卫生等级要求很高的场所所使用的阀门管件。
Sanitation valve refers is used in pharmaceutical, food industry etc, for the health level requirement high places by use of valve fittings.
进口卫生级阀门是用于制药，食品等行业中的，对卫生等级要求很高的场所所使用的阀门管件。
Sanitation valve refers is used in pharmaceutical, food industry etc, for the health level requirement high places by use of valve fittings.
进口卫生级阀门是用于制药，食品等行业中的，对卫生等级要求很高的场所所使用的阀门管件。
Sanitation valve refers is used in pharmaceutical, food industry etc, for the health level requirement high places by use of valve fittings.
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