现在设想一下使用一个套筒扳手。

Now consider being given a socket wrench.

成功使用套筒扳手的关键在于模式匹配：套筒扳手必须与螺母相匹配。

The key to success with a socket wrench is pattern matching: The socket must match the nut.

形销柄方套筒扳手

Square socket wrench with pin handle T

采用套筒扳手来拆卸调节阀阀座进行更换.

Use socket wrench to remove regulator seat for replacement.

既可做套筒扳手使用，又可做普通扳手使用，具有功能多样，集成性好，用途广泛等优点。

Therefore, the invention can be used as a socket key and as an ordinary wrench, and has the advantages of versatile functions, good integration, and wide applications.

螺钉和螺母用装配工具。双头平直和弯头套筒扳手。扳手长度和端口厚度。

Assembly tools for screws and nuts - Double-headed, flat and offset, box wrenches - Length of wrenches and thickness of the heads.