maximum acceptable concentration造句

例句与造句

1. Antifreeze fumes leaking from a cooling pipe on the aging Mir space station have reached the maximum acceptable concentration and may become dangerous to the Russian-American crew, a news agency reported Tuesday.
2. The Guidelines for Canadian Drinking Water Quality of 1968 set guidelines for drinking water quality standards in Canada, developed by Health Canada with the provincial and territorial governments and setting out the maximum acceptable concentrations of these substances in drinking water.
3. It's difficult to find maximum acceptable concentration in a sentence. 用maximum acceptable concentration造句挺难的