Freezingoil which is remained in the system hinders evaporating of refrigerant.
系统中残留的冷冻油，阻碍制冷剂的蒸发。
2
Dispersants used by oil companies do not work well at or near freezing temperatures. Booms to contain a spill cannot be used with icebergs floating in the water.
石油公司使用的分散剂在接近冰点的温度下效果不佳，用于防止溢油扩散的栏油栅面对漂浮的冰山也无能为力。
3
American economic sanctions, which were extended on Thursday to include the freezing of all Syrian assets in America and banning the import of Syrian oil, will have little effect.