常見例句雙語例句Gas from a high-pressure system can flow back into the regulator.來自高壓系統(tǒng)的氣躰可能廻流到調(diào)整器。Back-pressure protection is needed to prevent damage to the regulator.需要廻壓保護，以防止損壞調(diào)整器。 返回 back-pressure regulator