根据我们的安全惯例，停止使用那些产品是正确的。
Those products have rightly been stopped in accordance with our safety routines.
试图现场修理违背了两条非常重要的安全惯例：禁止带压修理设备和禁止堵塞减压装置。
To attempt field repair is a violation of two very important safety practices. NEVER attempt to repair equipment under pressure and NEVER tamper with pressure-relief devices.
由于所有低温液体的极低的温度和极高的气化率，必须遵守许多的通用防范措施和安全惯例。
There are a number of general precautions and safe practices that must be observed because of the extremely low temperatures and high rates of conversion into gas of all the cryogenic liquids.
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