double helical gear pump 人字齿齿轮泵
double helical gear planer 人字齿轮刨床
continuous double-helical gear 整齿人字齿轮
double helical gear pump coupling 人字齿齿轮泵联轴器
staggered-tooth double-helical gear 交错齿人字齿轮
single-reduction double-helical gear 一级减速人字齿轮
continuous tooth double-helical gear 连续齿人字齿轮
double helical gear 双人字齿轮
double helical gear pu 人字齿齿轮泵
N → another name for herringbone gear
Gear drawing standards - part 1: for spur, helical, double helical and rack.
齿轮制图标准。第1部分：正齿。螺旋齿。双螺旋齿和齿条。
To make sure that a plastic part with helical gear and spur gear can be demoulded successfully, an injection mould is designed with double parting faces, point gate feeding and rotating demould.
前言： 为了保证一种既有斜齿轮又有直齿轮零件在注塑成形后能顺利脱模，给出了一套一模两位，点浇口进料， 旋转脱模，胶套式二次分型的双分型面注射模的设计。
The Flowserve GR series, double-helical, herringbone type gear pumps have long been a workhorse of the general industry.
长期以来，福斯gr系列人字齿型齿轮泵已成为一般工业的得力助手。
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