One or more components of the carrier vehicle must contain at least one metal chelating group.

一个或多个承运人的车辆部件必须至少包含一个金属螯合组。

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Mesh belt conveyors: mesh belt is a metal or steel mesh belt conveyor carrier as a delivery device.

是采用金属网带或塑钢网带作为输送载体的一种输送设备。

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Carrier quantitative killing test, stability test and metal corrosion test were used to observe germicidal efficacy, stability and corrosiveness of potentiated glutaraldehyde.

采用载体定量杀菌试验、稳定性试验和金属腐蚀性试验，以观察强化戊二醛的杀菌效果和稳定性及腐蚀性。

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Round the clock, rescuers dropped metal cylinders, dubbed "carrier pigeons, " down the boreholes taking food, water, clothes and letters to the miners.

CNN: Chilean miners waited for death

Supplies -- such as food, clothing and letters -- are sent down to the miners via metal cylinders known as "carrier pigeons" through the second bore hole.

CNN: STORY HIGHLIGHTS

Officials packed long metal tubes -- called "carrier pigeons" -- with oxygen, vaccines and sustenance, liquid proteins and vitamins at first because the men were not ready for solid food.

CNN: STORY HIGHLIGHTS