tightenvt.使紧;勒紧;固定vi.变紧
tightening construct紧缩性建构
tightening-up time扣紧时间
tightened inspection严格检验
tightening of bearing轴承拉紧
tightening scale dial张紧器刻度盘
tighten one's control甲烷桥
tighten tax collection加强税收政策
Tighten macro-control加大宏观调控力度
tightening ring packing固定环密封
tighten the screws v.拧紧螺丝;加强控制