When the line pressure to atmospheric pressure, open the ball tube, check pigging or caliper effect.

当管线内压力降到大气压力时，打开收球筒，检查清管或测径效果。

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The next day, my mother with a knife to carefully cut open the ball daffodils, and a Peach of the "Narcissus Doll" was born.

次日，妈妈用刀小心地把水仙球剖开了，一个桃形的“水仙娃娃”诞生了。

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Maybe it's a striker standing in the open near the goal, the ball resting at his feet.

也或许，是一个前锋站在球门前方，而足球就停在他的脚下。

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The bottom of the root ball will look something like the spread-open wings of a butterfly.

VOA: special.2011.04.19

He also hit Jones for a 56-yard touchdown pass, where the wide-open receiver fell down catching the ball at the 8-yard line, got up and evaded one defender before sprinting into the end zone.

CNN: Ravens fly high, win Super Bowl

The stand-off shrugged off four defenders inside his own half before bursting into open space and spreading the ball for Willie Talau, whose inside pass found Meli in the corner for a simple score.

BBC: St Helens 38-10 Leeds

The efforts by David Silva were crucial as the Spaniard's darting run carved open the defence and when he fed the ball through to Tevez for a second time, the Argentine squeezed in a low shot from 10 yards.

BBC: Birmingham 2-2 Manchester City