And these measurements can effectively reduce and prevent the occurrence of wind and sand damage.
这些措施能有效地减小和防止风沙灾害的发生。
The Weatherford STP helps you reduce sand damage by moving sand upward through the pump and away from the barrel/plunger interface.
STP可使砂粒向上移动,远离泵筒和泵塞泵接触面,从而减少砂粒引发的磨损。
Wind-sand damage is a major natural calamity affected agricultural production in the HexiCnrridor. A main measure to administer wind-sand damage is afforestation of protection forest sys-tem.
风沙危害是影响河西走廊农业生产的主要自然灾害。治理风沙危害的主要措施是营造防护林体系。
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