各试验方法相关问题的数量，详见附件。
See the appendices for the number of questions issued for each test method.
如需重新获得资质，则该焊工需要遵照QW - 301和QW - 302的要求，在一个板材附件试片，或一个管材附件试片上，进行焊接试验。
Renewal of qualification may be made for any process by welding a single test coupon of either plate or pipe, and by testing of that coupon as required by QW-301 and QW-302.
提出在液压机滑块上增加附件，扩展液压机功能以提高其利用率的构想，并在安装了摆辗装置的语压机上进行了镦挤摆复合新工艺的试验验证。
A rotary forging component as an accessory of hydraulic press is developed to extend the function and efficiency of the press. The laboratory experiments of this new component are carried out.
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