和创建多数Web应用程序一样，我需要在屏幕的固定位置创建一个界面部件。
As in many Web applications, I wished to create an interface widget in a fixed position on the screen.
木工机床操作员设置，编程和操作一个或多个木工机械制造或修理家具，固定装置或其他木制品的木制部件。
Woodworking machine operators set up, program and operate one or more woodworking machines to fabricate or repair wooden parts for furniture, fixtures or other wood products.
套管头四通包括固定和密封套管柱上端的部件，并经常提供一个用于与环形空间连通的开口。
The casing bowl incorporates features to secure and seal the upper end of the casing string and frequently provides a port to enable communication with the annulus.
套管头四通包括固定和密封套管柱上端的部件，并经常提供一个用于与环形空间连通的开口。
The casing bowl incorporates features to secure and seal the upper end of the casing string and frequently provides a port to enable communication with the annulus.
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