hygienic standard
常见例句
- That is one of the hygienic standard series for environmental health is China.
它是我国环境卫生标准系列项目之一。 - Objective To study and work out hygienic standard of petroleum asphalt fume in the air of workplace.
目的研究制订车间空气中石油沥青（烟）卫生标准。 - And we also introduce the steps to set up the Hygienic Standard of chemical detriments control in China.
本文概述了镉的存在形态和毒性以及其它一些问题，介绍了我国对有害化学物质食品卫生标准的制定步骤。 返回 hygienic standard