行走时注意避免压折植被，在取水时走不同的路。

Watch where you walk to avoid crushing vegetation and take alternate paths to water.

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对掺加粘结剂的脱硫石膏的凝结时间、压折强度、保水性能、剪切粘结强度的测试。

Testing the setting time, flexural strength, compressive strength, water retention, adhesive strength of gypsum with the adhesive agents.

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风管生产线是由上料架调平压筋机冲尖口和冲方口油压机液压剪板机液压折边机所组成。

Line consists of a feeding metal frame, leveler grooving roller, hydraulic notch and punch square machine, hydraulic shearer and folder.

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