构造设计简单，操作及维护容易。
Structure design simple, the operation and the maintenance is easy.
youdao
采用简单的构造设计，使穿线更为简便。
Simple construct design and it is convenience to pull the wire.
该电路设计新奇、功用壮大、构造简单。
The circuit design of novel, powerful, simple structure.
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