Flanged valves have following features: small opening stroke, small friction force when opening and shutting, and high abrasion resistance.

本阀门结构为法兰连接，具有开启行程小、摩擦力小、耐磨等特点。

youdao

It can be concluded that cavitation of hydraulic cartridge cone valve is reduced by increasing the opening stroke and the outlet pressure and changing the geometrical structure of valve spool.

研究表明：增大阀口开度，增大出口压力，并对阀芯结构进行修改后，插装型液压锥阀阀口气穴现象均可有效减弱。

youdao

Objective To study by modern rehabilitation evaluation the curative effect of acupuncture method of easing joint movement and opening orifices on early hemiparalysis induced by ischemic stroke.

目的通过现代康复评定方法研究通关开窍针刺法治疗缺血性中风早期偏瘫的临床疗效。

youdao

Boyce hit his opening goal on the stroke of half-time by heading home his fifth goal of the season after Keenan had misjudged Eunan O'Kane's cross.

BBC: Darren Boyce and Michael Hegarty

It would also have broken the course record but for the fact that just over an hour earlier Northern Ireland's Graeme McDowell blitzed an incredible course record 61 -- the lowest round of his professional career and an unbelievable 16-stroke improvement on his opening 77.

CNN: Amateur Lowry leading Irish Open field

Celtic were slightly edging an exciting game thanks to their greater composure, but it was a stroke of fortune that led to the opening goal.

BBC: Dundee United 1-3 Celtic