back packing 中文意思是什麼
back packing
解釋
背法-
Dalian jialin equipment manufacture co., ltd is engaged in developing, designing, manufacturing and installing auto conveyors, assembling line ( roller - type, strap type, chain - type, chain belt type, screw - type, assemble mechanical hand, hydraulic elevator ) and packing automatic assembly line ( automatic case back - sealing machine, automatic case folding & sealing machine, high speed case opening machine, wrapping machine, automatic pallet, bundler ) of complete sets of equipments
大連佳林設備製造有限公司是一家生產工廠成套自動化輸送線、組裝線(滾筒式、皮帶式、鏈式、鏈板式、網帶式、螺旋式、組裝機械手、液壓升降臺等) ;工廠成套自動化包裝線(紙箱自動成型封底機、全自動折蓋封箱機、全自動高速開箱機、裝箱機、全自動托盤碼垛機等)的開發、設計、製造、安裝等一條龍服務的專業廠家。 -
To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking
為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。 -
She has osteoporosis and with the long plane ride over there, and the packing, unpacking, in and out of taxis, sleeping in a bed that was not as comfortable as she was accustomed to, the stress became too much for her back, and so she experienced a stress fracture
睡不慣,稍硬了一點,或稍軟了一點。然後又要把行李翻出來,又要收拾收行李,然後又坐車到另一間酒店,翻開行李,再收拾行李,或許又要睡一張不大舒服的? ,日復一日這樣子。 -
Now, most electronic efforts supplement traditional, physical mail. in the united states, that includes ordering stamps and packing supplies online and providing delivery confirmation electronically without mailing back a receipt
現在,多數的電子產業已經影響到了傳統的物理的郵政產業。在美國,它包括訂購郵票及包裝用品,並在網上提供電子郵件接收回執。
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