The automatic CNC tenoners features easy use, simple adjustment, easy operation, high efficiency and safety, low labor intensity and high performance price ratio.
全自动数控开榫机使用方便，调整简单，操作容易，具有安全、高效、劳动强度低、性价比高等特点。
This paper discusses the breakeven point engineering volume, break even point unit price, profit and operating safety ratio in the contract of drilling engineering.
探讨了钻井工程承包中盈亏平衡点工程量、平衡点单价、利润及经营安全率等问题。
The cutting fluid has stable quality, safety, environmental protection, excellent processing and antirust performance and high performance-price ratio.
这种切削液品质稳定、安全、环保，加工、防锈性能优良，性价比高。
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