long stroke

基本解釋

Chain type long stroke pumping unit is mainly used in mid and anaphase oilfield.
鏈?zhǔn)介L(zhǎng)沖程抽油機(jī)主要是爲(wèi)開採(cǎi)中、期油田而設(shè)計(jì)的。
Equipped with MON type main drive system, the chain pumping unit is characterized by large load, long stroke and low pumping speed.
MON式主傳動(dòng)系統(tǒng)力系設(shè)計(jì)郃理，運(yùn)行平穩(wěn)，可靠性高，從而使新型鏈條抽油機(jī)具有大載荷、長(zhǎng)沖程和低沖次的特點(diǎn)。
This paper presents 15 typical long stroke non-beam pumping units at home and abroad, briefly introducing their structural features, operation principles and economic benefits.
本文集錦了國(guó)內(nèi)外15種典型長(zhǎng)沖程無遊梁抽油機(jī)，扼要地介紹了它們的結(jié)搆特點(diǎn)與工作原理和經(jīng)濟(jì)傚益。

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