clear opening

常见例句

The clear opening width is 15 m, the length from the pivot point to the flap tip is 23.3 m.
桥翼打开后会产生15 米的通道，从支点到桥翼顶端的长度则为23.3 米。
The structure also demands a single door with a clear opening of 100 meter by 100 meter to let the zeppelin go in and out.
结构还要求一个单独的一百乘以一百的可供飞船进出的入口；
WIRE SPACING - Specify square, rectangular or specialty configuration with wire spacing center-to-center, clear opening or mesh count.
导线间距 - 指定正方形，长方形或间距中心至中心，清除打开或网线数的专业配置。
wiremesh-xuri.cn

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NPR: Metric: Sweet Pop With A Bitter Center