acme thread form 梯形螺纹 ; 梯形罗纹 ; 齿顶圆
buttress thread form 锯齿形螺纹 ; 锯齿形罗纹
normal thread form 标准螺纹形状 ; 标准螺纹外形
basic thread form 螺纹基本形式
standard screw thread form 标准螺纹样式
locking thread form 防松螺纹样式
square-thread form 方螺纹样
screw-thread form 螺纹扣形
Bovine serum albumin does not come in thread form.
牛血清白蛋白不成线型。
Thread form and the length of drill pipe can be manufactured in accordance with user requirements.
钻杆螺纹形式及长度可根据用户要求制造。
On the other hand, NPTF threads are designed to ensure that sufficient crushing of the entire thread form will take place to produce a mechanical seal.
另一方面，NPTF螺纹的设计用于保证在整个牙形上产生足够的变形以生成这种机械密封。
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