起重机或绞车的拥有人须确保其起重机或绞车所排出的废汽，及在切实可行范围内尽量确保输给其起重机或绞车的新汽，不会使任何有工人受雇的工场变得蒙眬不清。
The owner of a crane or winch shall ensure that the exhaust steam from and so far as practicable live steam to any crane or winch does not obscure any workplace at which a workman is employed.
在下流式反应器内的裂化反应之后，分离反应产物，并将废催化剂引导到汽提与再生部分。
After the cracking reaction in downflow reactor, reaction products are separated and spent catalyst is directed to stripping and regeneration sections.
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