| 摘要 |
<p>For treating a material with gas or vapour, especially a fumigant, there are provided a sealable enclosure device 10, a pump 22 which may have an inlet 28 for the agent and a heat reservoir 86, and a long flexible hose 24 to allow the enclosure to be evacuated after treatment and the effluent discharged outside the premises where the material is treated.</p> |
