| 摘要 |
<p>The equipment comprises pressurised containers to provide intermittent injections into the atmosphere of vapours or droplets produced from a pressurised liquid within the container, especially in the dispensation of fungicides disinfectants, insecticides, etc. and mainly for industrial buildings with high rafters or beams. The individual containers are each of cylindrical form with a top spray cap with side exit spray jet. A number of similar containers may be mounted on a stand with intermittent release of spray from each container under the control of a cam operated contact switch and electro-magnetic pressure devices.</p> |
