intermediate stage bleed-off valve
... an intermediate stage 中间阶段 intermediate stage bleed-off valve 中间抽头门 The pupa is at an intermediate stage of development 蛹是蝴蝶发育的中间阶段 ...
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intermediate stage bleed-off valve
中间级泄油阀
以上为机器翻译结果，长、整句建议使用 人工翻译 。