您要查找的是不是：
- high grade common coal face 高档普采工作面
- Successful Practice of Coal Machines Whole Pulling and Moving in Picking Pressure Mining of High Grade and General Mining Coal Face 煤机整体拉移在高普工作面跳压回采中的成功实践
- Pupils who pass the test will be promoted to the next higher grade. 小学生只要考试及格就会升到高年级。
- John's high grade in the test lifted his spirits. 约翰考试得了高分，这提起了他的精神
- This old coal face is to be reworked next week. 这个旧的采煤工作面下周将重新开采。
- Mary always gets a high grade in math. 玛丽在数学上总是得到高分。
- Guild plate: using high grade melamine board. 导流板：彩用优质三聚氰氨板。
- He attained a high grade in the diplomatic service. 他在外交界的地位很高。
- He has worked at the coal face for eight hours. 这矿工在工作面上已经干了八小时了。
- High grade ebony and rosewood sets can be supplied. 有高档乌木和玫瑰木两种配件.
- MEK is a good solvent for high grade coatings. 甲乙酮(MEK)是高档涂料应用的优良溶剂。
- My second paper received a high grade. 我的第二篇文章取得了高的分数。
- The highest grade that can be achieved in marksmanship. 特等射手级在射击术中可以取得的最高等级
- It is a main part of the aspirating system of the coal face. 设计的任务主要是对喷雾泵进行设计并进行必要的校核。
- It combines many functions in one. It is a high grade product. 它集多种功能于一身，是高档产品。
- High grade forging with various of s.s.steel and alloy. 各种高要求和特殊牌号的不锈钢，高级合金钢、特种合金锻件的生产.
- Airmail paper Light-weight, high grade writing papers invariably made from rag for strength. One of the common usages is for aerogramme. 轻身高级书写用纸,多用破布造成,质地结实。常用作航空邮柬。
- Cutting dust is the rootstock in coal face by analyzing the dust root in mine. 通过对煤矿尘源的分析可知,截割粉尘是采掘工作面粉尘的根源;
- Highest grade was of Pater (father) under Saturn. 最高级别就是土星之下的佩特（父亲）级别。
- The paper described in detail the high undercover large mining coal face roof control the basic requirements of the roof control and the strengthening of specific measures. 该文详细叙述了大采高卧底煤工作面顶板控制的基本要求和加强顶板控制的具体措施。
