1. According to construction standard, the shop of brick of Wei Jiyang mesa sticks hutch to want to detect above all the ground is slack, if have slack need, do afresh waterproof. 按照施工规范，厨卫及阳台地砖的铺贴首先要检测地面是否漏水，如有漏水需要重新做防水。
2. There's too much slack in the thread pull it tight in the slack . 线太松了，将它松弛的地方拉紧。
3. There's too much slack in the thread pull it tight in the slack . 线太松了，将它松弛的地方拉紧。
4. The tooth side slack of the gear influences the machining accuracy of NC machine tool directly, so, taking out the slack of feed drive gearing is an important item in the machine tool rebuilding. 齿轮的齿侧间隙直接影响数控机床的加工精度，因此，进给系统传动间隙的消除是机床数控改造的一项重要内容。
5. Elastic membrane would be taut, wrinkle or slack under loaded. Taut is the only one workable state , as membrane can not resist any compression stress, the wrinkled or slack membrane must be disposed. 弹性膜在荷载作用下会出现双向受拉、单向受拉、松弛三种状态，由于膜材几乎不能承受压力，当单向受拉和松弛单元中出现压应力时，应进行褶皱处理。
