RESPONSIBILITY FOR ESSENTIAL SAFTY REQUIREMENTS 怎么 ...? responsibility for meeting completely or partially with the essential requirements stated in the directive on machinery also depends on the terms of supply agreed upon in the contract. 装置指南上所述的基本要求全部还是部分满足取决于合同上议定的供应条款。 responsibility for essential safty requirements 必要安全规定的责任查看更多
FULL BORE AND FULL PORT VALVE区别? 提供一种解释,仅供参考, bore 是对于 球阀来说的,就是阀内球上的孔; port 是对于 globe阀来说,就是阀 ... 额,你的说法比较有启发性,但是我还是觉得很困惑,因为不论是什么阀门,其上面基本都有不止一个孔,你不能单纯就用bore来笼统地泛指“阀孔”吧???放气阀、放泄阀、排污孔、丝堵所在的位置也都能算作“阀孔”呢,这你又怎么解释呢?而且我经常看到有人把“阀孔”和“阀体通道”的概念混用,这样容易误导人。查看更多