According to technical requirements of filming plastic sheet for leakproof saline, a soil cutting and throwing device was developed.

根据盐田防渗塑膜铺底所需覆土量的技术要求，设计了盐田防渗塑膜铺底专机(简称：盐田铺膜机)的切抛土部件。

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, holds a bundle of spears that he made for use with an atlatl, a Stone Age throwing device that uses leverage to sharply increase the speed and distance a spear can travel.

这是他制作的和梭标投射器（利用杠杆作用加快长矛速度、增加投射距离的石器时代的一种投射装置）一起使用的长矛。

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The utility model relates to a skimming ball throwing device, which is especially suitable for skimming ball inputting process of steel converters, continuous casting tundish, etc.

本实用新型涉及一种挡渣球投掷装置，特别适用于炼钢转炉、连铸中间包等的挡渣球投入工艺。

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As much as we're familiar with wireless power, we know developing a truly contact-free form of charging has a whole raft of extra challenges, such as getting into the sweet spot for power delivery and the potential traffic jam caused by throwing another device into the mix.

ENGADGET: Sony applies for wireless power patent, wants to daisy-chain your energy