sealed-bearing

基本解釋

Turning the envelope over, his hand trembling, Harry saw a purple wax seal bearing a coat of arms.
他的手顫抖著，把信封翻了個(gè)面，然后哈利看見一個(gè)紫色的蠟封，上面帶有一層盾形紋章。
The dynamically balanced rotor assembly,sealed bearings with grease reserviors.
動(dòng)平衡的轉(zhuǎn)子總成，具有蓄油裝置的全密封軸承。
The dynamically balanced rotor assembly, sealed bearings with grease reserviors.
動(dòng)平衡的轉(zhuǎn)子總成,具有蓄油裝置的全密封軸承。
The main SKF focus is on the bearings without intermediate rings which have four outer rings and, of course, on the sealed bearings.
SKF的主要重點(diǎn)放在不帶中間圈但有四個(gè)外圈的軸承上,當(dāng)然也放在密封軸承上。
Model B Guide The Model B Guide is an integral part of most perminent seal bore and retrievable seal bore packers.
B型引鞋大多數(shù)永久式和可取式封隔器的一個(gè)部件，B型引鞋用于連接安裝在封隔器下部的尾管、磨銑延長(zhǎng)管、或其他設(shè)備。