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Terms for subject Coal (135 entries)
pit coal
pit coal 软煤
pit run 未分选的土石料
plastic stage
primed charge 起爆炸药
primer cartridge 起爆炸药筒
priming charge 雷管〔起爆〕药包
priming charge
prospect hole 探孔〔井〕
proximate analysis 组〔构〕份分析
pushing device 推床
pyramid cut 角锥式钻眼
pyramid cut 锥形掏槽
pyrite cinder 〔硫〕
pyrite cinder 硫化矿渣
ram head 冲头
ram head 撞杆头
ram head 滑枕刀架
regenerative chamber 蓄〔回〕热室
regenerative chamber 再生内胎