You will need a marked rope or a 100ft measuring tape to mark out the site, and a foot-wide wooden board about 4ft long to do the flattening.
准备一条有标记的绳子或者是100英尺的卷尺，用来给场地划定界限。准备一个与脚同宽，长约4英尺的木板，用以压倒麦秆。
This paper for the first time presents the steel rope —float type apparatus for measuring liquid level.
本文首次推出用步进电机驱动的钢绳浮子式液位测量仪。
Specializing in the production of anti-static cable, sampling rope , measuring oil rope , lifting with rope and other products.
专业生产防静电缆绳、采样绳、测油绳，吊装带绳等系列产品。
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