At the same time, we obviously don't want to pull the whole world across the wire, at least not all at once.
同时，我们也显然不想通过一根线缆获得整个世界的信息，至少不要一次就得到。
Big diameter pipe can be composed of several round steel brush together, at both ends with wire tightly, within the lumen pull brush back and forth, until the metal color, reoccupy cotton brush clean.
大管径管子可由几个圆钢刷组装在一起，两端用铁丝扎紧，在管腔内来回拉刷，直至露出金属本色，再用棉纱拉刷干净。
Pull and hold the stainless steel wire at the top which opens the valve, allowing the liquid to flow in.
拉按住不锈钢丝上方的打开阀门，使液体源源不断的流进采样器。
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