您要查找的是不是：
- Contrast experiments confirm that the performance of the treated sifter mesh is better than that of other current domestic products of the same kind and its average service life is greatly improved. 经寿命对比实验,用该工艺处理的筛片比目前国内生产的同类产品好,性能有大幅提高。
- Average service life of chain saw 油锯平均使用寿命
- Average service life of chain 锯链使用寿命
- average service life [化] 平均使用期限
- Nonpoisonous light and long service life. 无毒、质轻、使用寿命长。
- Ah, yes. Now what about service life? 哦,好的。关于使用寿命呢?
- Lengthens the engine service life. 延长发动机使用寿命。
- Elastic sealing, no leakage and long service life. 弹性密封,零泄漏,使用寿命长。
- Good sealing,wear-resising,longer service life. 密封可靠，耐磨损，使用寿命长。
- Brand new bearing prolongs the service life. 全新轴承，增加使用寿命。
- Stellite 6 seating faces for long service life. 钨铬钴合金6阀座面,使用寿命更长。
- The cloth bag has long service life and can be changed easily. 清灰装置耗能低,每小时用电小于、布袋使用寿命长,更换简单方便。
- Of combusting arc, and improve the service life of load fuse box. 和消弧材料的损耗,以提高载熔件的使用寿命。
- Bonnet Joint - accurately machined for better service life. 阀帽连接-精密机加工,使用寿命更长。
- The resulting increased bearing load shortens bearing service life. 由此引起的轴承载荷的增加会缩短轴承的使用寿命。
- Intangible assets with uncertain service life may not be amortized. 第十九条使用寿命不确定的无形资产不应摊销。
- Adopt stainless steel net bring transmission, service life long. 采用不锈钢网带传动,使用寿命长。
- Corrosion resisting non-pollution,lower noise,long service life. 耐腐蚀、无污染、运转稳定、噪音低、寿命长。
- Excellent insulation at high temperature, long service life. 优良的高温约缘性能、使用寿命长；
- Perfect stability, long service life, and nondeforming. 红雪松稳定性及佳使用寿命长，不易变形。
