常見例句雙語例句Tension headaches tend to feel like a pressure or tightness around the head.患了緊張性頭痛，感覺像腦袋周圍無法放松，有一圈壓力壓著似的。Gray iron--an alloy of iron carbon and silicon ; easily cast; good pressure tightness in the as-castcondition.灰口鐵--一種鐵碳和硅的合金；易于鑄造；在鑄態(tài)下具有很好的壓力緊固性。The oil pressure tightness and manual adjustment joint control the looseness and tightness of the paper winding belt.卷紙皮帶松緊采用油壓拉緊和手動調(diào)節(jié)聯(lián)合控制。 返回 pressure tightness