当新鲜空气水平的样品送至非循环系统。取样管可能被凝滴或误吸的任何液体堵塞。
When sampling at the level of fresh gas delivery in non-rebreathing systems. The sampling line can become obstructed by condensation drops or aspiration of any fluids.
与RD安全循环阀配合使用，完全可以替代APR-M_2工具，具有取样准确、缩短施工工期，取样过程简单、安全等特点。
Cooperated with RD safety circulating valve, it can entirely take the place of APR-M2 tool with the character of accurate sampling, reducing construction period, simple and safe sampling etc.
详述了涡轮加压和循环式海底沉积物取样钻机的总体结构和工作原理，并讨论了该设计方案的可行性。
The overall structure and working principles of turbo-pressure and cycling seafloor sediment sampling drilling machine were introduced and the feasibility of the design was discussed.
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