According to the different casing, the welding groove of all parts is classified and the form of welding groove and the welds marking number used commonly in casing are determined.

针对不同形式的机壳，进行各部位焊接坡口形式分类，确定机壳中常用的焊接坡口形式、焊缝标注代号，为设计者在焊接机壳的设计中提供了方便和依据。

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Article l5. The patentee has the right to affix a patent marking and to indicate the number of the patent on the patented product or on the packing of that product.

第十五条专利权人有权在其专利产品或者该产品的包装上标明专利标记和专利号。

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Called whole of vehicle marking (WOVM), the system assigns a unique17 digit vehicle identification number to each vehicle upon importation into New Zealand.

称为全车辆标识的系统(ovm)，含有17位数字的独特车辆辨识号码，被喷在每辆进口到纽西兰的车辆上。

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When the gun is fired the marking theoretically leaves a serial number on the primer encased in the spent cartridge.

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Key Stage 2 test markers, who are practising or retired teachers, receive thorough training and undergo a number of quality checks through the marking process.

BBC: Head teachers complain of 'erratic' Sats marking

It has promised longer sentences for people who carry guns illegally and new electronic marking of state-owned weapons in the hope of cutting the number of Kalashnikovs seeping into the black market, where they are bought more cheaply than anywhere else in the world.

ECONOMIST: Guns in Africa