line with casing的意思|示意
带套管线
line with casing的网络常见释义
用套管护孔 ... 套管护孔 line a hole 用套管护孔 line with casing 维护 safeguard; defend; uphold; keep; maintain; upkeep 维护法律面前人人平等的原则 uphold the principle that all men are equal before the law; 维护国家主权 defend state sovereignty; 维护民族尊严 vindicate national honour; defend national honour; 维护人民的利益 safeguard the people's interests; 维护安定团结 uphold [maintain] unity and stability; 维护国际和平与安全 maintenance of international peace and security; 维护世界和平 safeguard world peace; 维护世界和平力量 forces working for safeguarding world peace; 维护祖国统一 safeguard the unity of the motherland; 维护团结 uphold unity; 维护人民的权利 maintain the people's rights; 维护正义 the maintenance of justice ...