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for subject
Mechanics
containing
全 的
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all forms
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in specified order only
Chinese
English
全拆卸的
completely knocked-down
全自动的
fully automatic
具失效保护作用的安全技术
fail-safe action safety technology
固有
内在
安
全的
intrinsically safe
油管可回收的地面控制的井下安全阀
tubing-retrievable, surface-controlled, subsurface safety valve
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