pipe grade 管材料 ; 钢级
drill pipe grade 钻杆级别
pipe grade resin 管材级树脂
pipe grade special product 管材专用料
X65 grade LSAW pipe X65钢级直缝埋弧焊管
X70 grade pipe X70级钢管
high-grade pipe 高钢级管道
high grade pipe 高钢级管材
Selection of specific type, grade and consistency of solvent cement should take into account pipe type, size, installation conditions and chemical compatibility of cement and system fluids.
液状粘固剂的特定类型、等级和坚固性的选择应该考虑管道类型、口径、安装条件以及粘固剂与系统流体介质的化学兼容性。
Medical selection of medical grade pressure sensor is PVC, polycarbonate sensor manometry as a connecting pipe and the main material.
医用压力传感器是选用医用级聚氯乙烯、聚碳酸脂作为传感器的测压连接管和主体的材料。
Compactness from 600 mm above the pipe to surface grade shall be at least equal to surrounding soil.
从管道上部600毫米高度处到地面标高之间的回填土的压实程度应至少同周围的土质相同。
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