可变六角套筒扳手则是对手动螺丝扳手和六角套筒扳手的综合。
The variable hexagonal box spanner is the synthesis of the manual screw spanner and the hexagonal box spanner.
扳手按照结构的不同主要可以分为两大类，即手动螺丝扳手和套筒扳手。
The spanner is different, according to the structure may divide into two big kinds, namely manual screw spanner and box spanner.
螺钉和螺母装配工具。双头开口扳手双头环形扳手和组合扳手。最大头部宽度。
Assembly tools for screws and nuts - double - headed open - ended wrenches, double - headed ring wrenches and combination wrenches - maximum widths of heads.
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