咀字由“口”、“且”组成。“且”意为“加力”、“给力”。“口”与“且”联合起来表示“用牙齿使劲咬碎食物”。本义：咬碎食物。
钻孔机是否有破损钻咀与不良钻咀尺寸鉴定能力？
Does the drilling machine have broken bit and wrong bit size detection capability?
喷墨印刷机的速度主要取决于喷咀的线性成像速度，而后者则与所采用的技术有关。
The speed of inkjet printers is therefore based upon the linear imaging speed of the printhead. The speed of the head is based upon the technology used.
由于采用压电薄膜型喷咀技术，这些印刷机不能使用水性墨水，承印材料的种类也有限。
The heads also use a piezo thin film actuator technology that limits the printer to using aqueous inks. This also limits the type of substrates that can be used.
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