The stainless steel pipework has been constructed, tested and inspected to very high standards.该不锈钢管道系统以极高标准完成了安装、测试和验收。That firm is a bunch of swindlers. Don't pay them anything until the goods have been delivered and checked.那家公司里的人是一帮骗子。在货物送到并验收以前，一分钱也不要付。