即二类，三类，四类的压力容器中的主承压部件，必须经过特定的产品控制型式，然后获得相关的证书。
For the main pressure-bearing parts of equipment in categories II, III and IV, this must take the form of a certificate of specific product control.
我们特别建议适时更新 2009 年 12 月 29 日之前所颁布的 EC 类型式查验证明，以期符合新指 令的要求并且持续证书有效性。
We especially recommend a timely update of EC type-examination certificates issued before December 29, 2009 in order to adhere to the new Directive and to maintain their validity.
接线端子系列通过了国家电控配电设备质量监督检验中心检验并获得了型式试验合格证书。
The terminal blocks series has passed the test of the State Bureau of Quality and Technical Supervision for Electrical Products. In the mean time, it has obtained its form testing certificate.
应用推荐