When using centrifugal cast iron pipe, we should pay attention to its installation and technical requirements, such as that of stainless steel clasp and local support and hanger of pipe.
无承口离心排水铸铁管的安装和拆卸均非常方便，但要注意不锈钢卡箍橡胶密封接口的安装方法和管道局部支吊架的特殊要求。
It presents on a handsome two-tone steel link bracelet that's finished with an invisible double locking clasp.
它提出了一个漂亮的双音钢链接手镯的完成与无形的双重锁定扣。
I want be sure that if they had high precision steel polishing clasp processing and had high hardness sapphire crystal surface the glar.
但我想确定一下这款表是否是高精度全钢抛光表扣处理，高硬度蓝宝石水晶防眩表面，三针走时是否精准是否有3点位置日历显示功能。
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