Most American furniture manufacturers adhere to voluntary safety standards, which ensure that a unit will not tip over when a drawer is extended and 50 pounds of weight is applied.
大多数美国家具生产商遵循的是自愿的安全标准，确保在抽屉拉出并承受50磅重量时不会倾倒。
2
After pressure grouting on pile tip, elastic working range of piles will be extended and be in favour of pile to bear repeated loads and dynamic loads.
桩端压力灌浆后，桩的弹性工作范围延长，有利于桩承受重复荷载和动力荷载。
3
The primary meristem of the root tip may be extended a section of distance below the elongation region.