例句與造句

1. Standard for qualification of control valve stem seals
   控制閥門密性封的鑒定標(biāo)準(zhǔn)
2. Products oil seals special seal valve stem seal
   產(chǎn)品介紹油封-密封件特殊油封汽門油封
3. Safer and tighter stem seal
   更安全、更緊密地閥桿密封。
4. Backseat ? machined bonnet stem bushing provides back - up stem seal
   后座-經(jīng)過精密加工的閥蓋閥桿襯套實現(xiàn)后座閥桿密封。
5. Valve stem seal bonded seal
   汽門油封
6. It's difficult to find stem seal in a sentence. 用stem seal造句挺難的
7. Body stem seal
   本體閥桿密封
8. Valve stem seal
   汽門油封
9. It has two stem sealing : one is stuffing box and another is toroidal sealing ring ( o - ring )
   本閥閥桿密封分為兩種形式：一為填料密封；一為o型密封環(huán)密封。
10. Two o - rings in gland follower provide additional stem seal protection to assure tightness of less than 1 ppm
    密封壓蓋隨動件內(nèi)的兩個o形環(huán)為閥桿提供更加安全的密封保護(hù)，以確保泄漏率不會超過百萬分之一。
11. If necessary , the stem and stem seal may be removed from the bonnet by removing the retainer ring and handle and screwing the stem out the under - side of the bonnet
    如果必要的話，閥桿和閥桿密封可能要從閥帽上拆卸下來，要在閥帽的下方先拆卸擋圈和手柄，以及閥座上的螺絲。