Technical grade propylene ( 92 - 93 percent , the balance being propane ) and anhydrous fertilizer grade ammonia are satisfactory.

技术级的丙烯 ( 92-93%, 平衡剂为丙烷 ) 和无水化肥级氨水就能满足要求.

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Furthermore, highway network mostly is the trouble of technical grade and service low.

中小城市的道路网普遍存在着公路网技术等级低、服务水平差等问题.

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The technical post certificate which issued by Lamba is an international general certificate on technical grade.

由蓝霸颁发的技术岗位证书将同时得到国际认可,是一本国际通用的技术等级证书.

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