微创取骨设备是一套组合医疗器械，主要包括：开路取 骨钻、取骨钻和辅助取骨钻；

The minimally invasive bone getting device is a compound medical apparatus, mainly comprising an open bone getting drill, a bone getting drill and an assistant bone getting drill.

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目前，我国土工膜及土工膜设备的生产还处于起步阶段，但一些塑机厂家已经成为开路先锋，土工膜广泛应用的美好明天即将到来。

Now, the civil engineering film and its equipment are at the stage of start, but some plastic manufacturers begin to work along. The wide usage of civil engineering film will come soon.

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电路板往往被置于从电气上控制继电器开路和闭合的设备上。

The boards are often placed in a mainframe that electronically controls the opening and closing of the relays.

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