生物医药大词典
英文: When threading pipe, gauge pipe threads for size and length to avoid jamming pipe against seat and disc.
中文: 当对管道进行攻丝时，要测定管道螺纹的尺寸和长度，避免将管道塞满阀座和阀瓣。英文: This is a manufacturer specializing in manufacturing machines of producing soft metal pipe, corrugated pipe and stainless steel pipe.
中文: 江苏?姜堰通用焊接机械设备厂是一家生产金属软管、波纹管及不锈钢设备的专业厂家。英文: Tianjin International Steeltube Trade Center main production main products are : stainless steel pipe, seamless pipe, high-temperature high-pressure pipe, tube chemical, mechanical structure with steel pipes and cylinder pipe, line pipe and large-diameter
中文: 天津国际商贸管材销售中心主要生产经营主要产品有：不锈钢管、无缝圆管、高压高温钢管、化工用管、机械构造用钢管、气瓶管、管线管、大口径表层套管各种不同材质不同型号的各种系列。英文: Apply pipe dope sparingly on pipe threads, never on valve threads.
中文: 在管道螺纹上涂敷螺纹油，但是不要在阀门螺纹上涂螺纹油。英文: Specially design co-extruding die, merely need to replace core mandril, it may produce solid-wall pipe, solid wall inner helix pipe foamed pipe and foam inner helix pipe.
中文: 特殊设计的共挤模头，只需要换芯棒即可同时生产实壁管、实壁内螺旋管、发泡管、发泡内螺旋管。