Avoid dust formation. Avoid breathing vapours, mist or gas. Ensure adequate ventilation. For personal protection see section 8.
避免粉尘生成。避免吸入蒸汽、烟雾或气体。保证充分的通风。个人防护措施详见第8部分。
During the process of natural gas pool testing, formation protection is not fully considered and thus formation damages appear which are semi-reversible or even irreversible.
在天然气藏测试过程中，若未全面地考虑到地层保护，由此产生地层损害是半可逆或者不可逆的。
The laboratory evaluation for protection oil-gas formation is conducted mainly with related instruments to monitor the permeability change of the core.
保护油气层的室内评价工作主要是借助于有关仪器，测定入井流体对油气层损害后的渗透率变化情况。
The laboratory evaluation for protection oil-gas formation is conducted mainly with related instruments to monitor the permeability change of the core.
保护油气层的室内评价工作主要是借助于有关仪器，测定入井流体对油气层损害后的渗透率变化情况。
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